10. Bono is given a 15-year annuity-immediate. The first payment Bono receives is 100, and then subsequent payments decrease by 4% annually. Let n be an even integer. Boris is given an n-year level annuity-immediate that has the same present value as Bono under a 5% annual effective rate. If the accumulated value of Boris's annuity is $2,179.38 after n years, find (a) the current value of Boris' annuity at the end of n/2 years. (b) the annual payment of Boris's annuity.

10. Bono is given a 15-year annuity-immediate. The first payment Bono receives is 100 , and then subsequent payments decrease by 4% annually. Let n be an even integer. Boris is given an n-year level annuity-immediate that has the same present value as Bono under a 5% annual effective rate. If the accumulated value of Boris's annuity is $2,179.38 after n years, find (a) the current value of Boris' annuity at the end of n/2 years. (b) the annual payment of Boris's annuity