5. (10pts) For each accumulation functions below, determine how much you should invest 3 years from now (t = 0) to have $1500 two years after the date of the investment. a. a(t) = 1 +.05t 6. (2pts) For the previous problem, would the answer be different if you invest today? (Just circle; no work is needed.) a. Yes / no. b. Yes / no 7. (3pt) Consider an account that earns annual compound interest. If dw.125, findi. 8. (10pts) An account earns annual effective interest rate i. If i11.25,161 - 3%, find . non collett