please may i have assistance with these financial mathematics questions as soon as possible!

A loan of Rx is to be repaid by means of sixty consecutive, equal, quarterly payment with the first payment made five quarters after the loan is granted. If interest is charged at an annual effective rate of 13% p.a. and the value of the equal payments is R9500, then the value of the loan, Rx. (to the nearest rand) is R type your answer... Next 4 points R250 and a final payment A loan of R 9850, granted at 9,6% p.a. compounded monthly, is amortised by means of regular equal monthly payments of F (FR6606,52) to the nearest cent, that will be required one month after the last equal payment in order to amortise the loan within the original time period is equal to R type your answer... A loan of R40 000 is to be amortised by sixty regular equal monthly payments at an interest rate of 16,5% p.a. effective. The repayments start one month after the granting of the loan. When the annual effective rate increases by 1% p.a. immediately after the thirty sixth payment, the regular equal monthly repayments remain unchanged. In that case, the final payment, F (F