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While you were a student in college, you borrowed \(\$ 12,000\) in student loans at an interest rate of 9 percent, compounded annually. If you repay \(\$ 1,500\) per year, how long, to the nearest year, will it take you to repay the loan?

Short Answer

Expert verified
Approximately 14 years.

Step by step solution

01

Understand the Problem

You borrowed \( \\(12,000 \) with an annual interest rate of 9%. You will repay the loan by paying \( \\)1,500 \) per year. We need to determine how many years it will take to repay the loan completely.
02

Identify the Formula

We will use the formula for future value and payments to solve this problem. It is a typical loan payment problem involving a series of equal annual payments.
03

Calculate Accrued Interest and Payments

Each year, after making a \( \$1,500 \) payment, the loan amount accrues interest at 9%. The unpaid balance is increased by 9% and reduced by the payment every year.
04

Apply Iterative Calculations Step-by-Step

Starting with the principal of \( \\(12,000 \), calculate the balance after each year by applying the interest and subtracting the repayment. - Year 1: Remaining = \( \\)12,000 \times 1.09 - \\(1,500 \)- Year 2: Remaining = (Year 1 Remaining) \( \times 1.09 - \\)1,500 \)- Continue this until the balance is zero or negative, signaling the loan is repaid.
05

Perform Calculations

Carry out the calculations iteratively: - Year 1: \( \\(12,000 \times 1.09 - \\)1,500 = \\(11,580 \)- Year 2: \( \\)11,580 \times 1.09 - \\(1,500 = \\)11,122.20 \)- Year 3: \( \\(11,122.20 \times 1.09 - \\)1,500 = \$10,624.20 \)- Continue until the balance is paid off...
06

Determine Total Duration

Continue making these calculations until the balance becomes zero or negative, indicating full repayment of the loan. Identify the total number of years this process took.

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Key Concepts

These are the key concepts you need to understand to accurately answer the question.

Compound Interest
Compound interest is a powerful concept in finance that can greatly affect loan repayment calculations. It essentially means that the interest on your loan is calculated not just on the original principal, but also on the accumulated interest from previous periods. This can make debt grow quicker than one might expect.

You can think of it like a snowball effect. Each year, the interest is added to the total balance, and the following year's interest is calculated based on this new amount. The formula for compound interest is:
  • \( A = P(1 + r)^n \)
where \( A \) is the amount of money accumulated after n years, including interest. \( P \) is the principal amount (the initial loan balance), \( r \) is the annual interest rate (in decimal form), and \( n \) is the number of years the money is invested or borrowed for.

With student loans, for example, understanding compound interest can help you plan better and avoid surprises when it comes to repayment.
Financial Planning
Financial planning is crucial when dealing with loans or any long-term financial commitments. This involves understanding how your loan works, planning your repayments, and ensuring you can meet these obligations without compromising your financial stability.

Effective financial planning for a loan includes:
  • Knowing your loan amount and interest rate
  • Understanding the impact of compound interest
  • Determining your monthly or annual repayment capabilities
  • Creating a budget to ensure sufficient funds
Good planning can help you minimize interest costs, pay off your loan quicker, and achieve your financial goals more efficiently. Recognizing your repayment capabilities and schedule is as significant as understanding the technicalities of your loan. This reduces financial stress and enhances decision-making regarding other financial commitments.
Annual Payments
Annual payments refer to the fixed amount of money paid each year towards a loan. In the context of the given loan scenario, paying \( $1,500 \) annually is part of a strategy to manage debt effectively.

When making loan decisions, it's essential to determine how much you can afford as your annual payment early on. This not only simplifies planning but also helps in calculating the time required to repay the loan.

Using annual payments in your loan can be beneficial because:
  • It provides a clear structure and timeline for repayment
  • Helps in calculating the exact duration it will take to settle a loan
  • Often comes with lower interest accumulation compared to irregular payments
Always ensure that the annual payments align with your financial situation to avoid strain and possibly extending the repayment time.
Accrued Interest
Accrued interest is the interest that accumulates on a loan over a set period before any payments are made. For loans with compounding interest, this can significantly increase the total amount to be repaid.

In simple terms:
  • Accrued interest = Loan balance after applying the interest
For instance, on a loan of \( \(12,000 \) with an annual compounding interest of 9%, at the end of the first year, the accrued interest would make the loan balance \( \)12,000 \times 1.09 \).

Upon making a repayment, only part of this payment goes towards reducing the principal, while the rest covers the accumulated interest. Understanding accrued interest is key to making informed decisions about your repayments, ensuring more of your payment goes toward reducing the principal balance, which can accelerate loan payoff. Clarifying these aspects helps you understand the true cost of borrowing and manage your debt responsibly.

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Most popular questions from this chapter

To complete your last year in business school and then go through law school, you will need \(\$ 10,000\) per year for 4 years, starting next year (that is, you will need to withdraw the first \(\$ 10,000\) one year from today \(.\) Your rich uncle offers to put you through school, and he will deposit in a bank paying 7 percent interest, compounded annually, a sum of money that is sufficient to provide the 4 payments of \(\$ 10,000\) each. His deposit will be made today. a. How large must the deposit be? b. How much will be in the account immediately after you make the first withdrawal? After the last withdrawal?

a. It is now January \(1,2002 .\) You plan to make 5 deposits of \(\$ 100\) each, one every 6 months, with the first payment being made today. If the bank pays a nominal interest rate of 12 percent, but uses semiannual compounding, how much will be in your account after 10 years? b. Ten years from today you must make a payment of \(\$ 1,432.02 .\) To prepare for this payment, you will make 5 equal deposits, beginning today and for the next 4 quarters, in a bank that pays a nominal interest rate of 12 percent, quarterly compounding. How large must each of the 5 payments be?

The First City Bank pays 7 percent interest, compounded annually, on time deposits. The Second City Bank pays 6 percent interest, compounded quarterly. a. Based on effective, or equivalent, interest rates, in which bank would you prefer to deposit your money? b. Could your choice of banks be influenced by the fact that you might want to withdraw your funds during the year as opposed to at the end of the year? In answering this question, assume that funds must be left on deposit during the entire compounding period in order for you to receive any interest.

a. Set up an amortization schedule for a \(\$ 25,000\) loan to be repaid in equal installments at the end of each of the next 5 years. The interest rate is 10 percent, compounded annually. b. How large must each annual payment be if the loan is for \(\$ 50,000\) ? Assume that the interest rate remains at 10 percent, compounded annually, and that the loan is paid off over 5 years. c. How large must each payment be if the loan is for \(\$ 50,000\), the interest rate is 10 percent, compounded annually, and the loan is paid off in equal installments at the end of each of the next 10 years? This loan is for the same amount as the loan in part b, but the payments are spread out over twice as many periods. Why are these payments not half as large as the payments on the loan in part b?

You are thinking about buying a car, and a local bank is willing to lend you \(\$ 20,000\) to buy the car. Under the terms of the loan, it will be fully amortized over 5 years (60 months \(),\) and the nominal rate of interest will be 12 percent, with interest paid monthly. What would be the monthly payment on the loan? What would be the effective rate of interest on the loan?

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