Present Value of an AnnuityWhat is the present value of a $1,100 annuity payment over 5 years if interest rates are 11 percent

Present Value of a PerpetuityWhat's the present value, when interest rates are 6.90 percent, of a $190 payment made every year forever?

Interest-on-InterestConsider a $1,300 deposit earning 7 percent interest per year for 10 years. How much total interest is earned on the original deposit (excluding interest earned on interest)?