eco for business 12

profilesamet
MATHPVandFVandINTEREST15Q2020.xlsx

Sheet1

Economics
Financial Mathematics
1 Harry borrows $20,000 at 5.25%. He plans to repay this loan in 9 months.
How much interest will Harry pay?
2 Jennifer has a loan for $11,280 for 85 days at 9% interest, How much interest does she end up paying?
3 John is owed $19,500 by Dave. The money is to repaid in 11 months without interest.
If the current interest rate is 10%, how much money should John be willing to accept today
for settlement of the debt?
4 You lend a friend $500. He agrees to pay $520 in 6 months. What is the interest rate?
5 Find the FV or Future Value of the following loan:
A. $3475 loan at 7.5% for 6 months
B. $24,500 loan at 9.6% for 10 months
6 William borrowed $12,000 from his uncle. His uncle charges 3.% annual for 5 years.
Find the total amount (principal and interest) that William will need to pay his uncle.
7 Danielle borrowed $7500 with an annual interest rate of 7%. Danielle eventually repays $7675
(principal and interest). What was the time period of the loan? NPER?
8 Paul needs $6000 in 10 months. What is the present value of $6000 at 3.6% monthly interest
to accumulate $6000 in 10 months?
9 A car dealership ordered 12 new automobiles from the manufacturer. The total purchase price was $420,000.
The vehicles will be delivered in three (3) months.
What amount should the dealership deposit today to pay of the vehicles in three months assuming 4.1% annual interest?
10 Suppose $1000 is deposited for 6 years per year compounded annually.
No additional payments are made in this account. How much interest is earned after 6 years?
11 If a $16,000 investment grows to $50,000 in 18 years, what is the interest rate assuming annual compounding?
12 Assume an investment of $10,000 is invested for one year and interest is 1.85%.
Find the interest amounts of the following scenarios:
A. Annual compounding.
B. Semi-annual compounding.
C. Daily compounding.
13 $1500 is deposited at the end of a month for the next 6 years into an account paying 8%
interest compounded daily. Find the FV future value of this annuity.
14 Sara opens an account at her local bank. She deposits $950 monthly for 10 years.
Assuming an interest rate of 1.11% compounded monthly, compute how much interest
will be in the account after 10 years.
15 A company deposits $200 a month into an account for 20 years in order to accumulate
$100,000. What interest rate must the company earn to have $100,000 in 20 years?
How much of the $100,000 acquired, is interest?
16 Use the Rule of 72. If $10,000 is invested for 36 years at 6%, how many times will the value
double according the to the Rule of 72?
What will be the value of the account in 36 years? How much is interest?