3 Years ago Jake borrowed R7500 from Martha. The condition was that he would pay her back im 7 years' time at an interest rate of 11.21% per year, compounded semi aunally. 6 Months ago he also borrowed R25000 from Martha at 9.45% per yar compounded monthly. Jake would like to pay off his debt in 4 years from now

(a) what is the amount that Jake will have to pay Martha 4 years from now?

(b) after seeing shat he must pay Martha, Jake decides to reschedule his debtas 2 equal payments: one mou and one 3 years from now. Martha agrees on condition that the new agreement that will run from now will be subjected to 10.67% interest, compounded quaterly. What is the amount Jake will pay Matha 3 years from now?