1.An interest rate of 21% per year, compounded monthly, is nearest to ...... per year

2.An interest rate of 28% per year, compounded continuously, is closest to an effective per quarter equal to.....

3.If you make quarterly deposits for 22 years (beginning one quarter from now) into an account that compounds interest at 1% per month, the value of n in the F/A factor (for determining F at the end of the 22-year period), is

4.An interest rate of 30% per quarter, compounded continuously, is closest to an effective semiannual rate of ..