1. What is the effective rate that corresponds to a nominal rate of 20% compounded quarterly?

2. If an initial investment of $4000 grows to $4884 in five years, find the nominal rate of interest, compounded monthly, that was earned by the money.

3. A house worth 0,000 ten years ago has increased in value at an effective rate of 3% due to inflation. Find the current value of the home.


4. If $2,575 is invested at an A.P.R. of 7% compounded semiannually for 15 years, find the accumulated amount.