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Contemporary Business Mathematics Study Set 1
Quiz 9: Compound Interest - Future Value and Present Value
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Question 21
Essay
An investment of $4300.00 earns interest at 9.96% p.a. compounded monthly for four years. At that time the interest rate is changed to 9% compounded semi-annually. How much will the accumulated value be two and a half years after the change?
Question 22
Essay
Find the compound interest earned by $500 invested at 3% compounded semi-annually for ten years.
Question 23
Essay
Alternative Savings offers five-year term deposits at 10% compounded annually while your credit union offers such deposits at 9.6% compounded quarterly. If you have $1000 to invest, what is the maturity value of your deposit a) at Alternative Savings? b) at your credit union?
Question 24
Essay
Six years after Ellen deposited $4500 in a savings account that earned interest at 4.68% compounded monthly, the rate of interest was changed to 6.4% compounded semi-annually. How much was in the account thirteen years after the deposit was made?
Question 25
Essay
You borrowed $1700.00 at 12.36% p.a. compounded monthly, and repaid $800.00 after three years and $950.00 after five years. How much do you owe at the end of the nine years?
Question 26
Essay
Two years after Sean deposited $5000 in a savings account that earned interest at 6% compounded monthly, the rate of interest was changed to 6.4% compounded semi-annually. How much was in the account fifteen years after the deposit was made?
Question 27
Essay
Accumulated $1720.00 at 8.4% p.a. compounded monthly from March 1, 2011, to July 1, 2013, and thereafter at 8.88% p.a. compounded quarterly. What is the amount on April 1, 2015?
Question 28
Essay
Fahira invested $5000.00 at 4.8% compounded quarterly on January 1, 2012. On July 1, 2013 the rate changed to 5.6% p.a. compounded semi-annually. Calculate the amount Fahira will have on January 1, 2005.
Question 29
Essay
A variable rate demand loan showed an initial balance of $20 000.00, payments of $5000.00 after six months, $10000.00 after one year, and a final payment after two years. Interest was 6% compounded semi-annually for the first year and 12% compounded monthly for the remaining time. How much was the size of the final payment?
Question 30
Essay
An investment of $5000.00 earns interest at 6% p.a. compounded monthly for two years. At that time the interest rate is changed to 8% compounded semi-annually. How much will the accumulated value be three and a half years after the change?
Question 31
Essay
Allison started an RRSP on March 1, 2011, with a deposit of $2470.00. She added $1900.00 on December 1, 2012, and $1850.00 on September 1, 2013. What is the accumulated value of her account on December 1, 2015, if interest is 7.24% compounded quarterly?
Question 32
Essay
An investment of $2500.00 accumulates interest at 9.25% compounded quarterly. After 18 months the rate changed to 9.75% compounded semi-annually. Calculate the accumulated value three years after the initial investment.