A lender loans 10 000 now and X 4 years from now The loan is repaid at the end of 12 years with a single payment of 48 000 The interest rate on the loan is an annual effective interest rate of 10 for the first 7 years Thereafter the interest is charged at a force of interest of Calculate X O a 4 622 1109 O b 8 535 2355 O c 1 743 7404 O d 8 542 4281 e 6 581 6204 P 1 2 1 127