Find the following equivalent amounts if the interest rate is 8% compounded annually.
a) the present value of series of prospective payments,$1200 a year for 100 years.
b) the accumulated value of series of prospective $12 a year for 100 years.
c)the equal series of payments to be paid into a sinking fund to accumulate $120000 in 100 years.
d) the equal series of payments to be made to repay a present amount of $120000 in 100 years.