Please answer those 2 questions or at least 1 of them with details.

QUESTION 5 An annuity pays $1,200 at year 0, year 3, year 6, etc until 18 payments have been made Calculate the accumulated value immediately after the last payment using an annual effective interest rate of 7%. (Round to nearest dollar) 200558 94 QUESTION 6 A oan orsi 25,000 1s repaid br equal n tal ments at he end of each month, or 20 vears. Given that the nominal annual rate of teres convertible semia mali s 7 y installment