Mandla invested R90 000 in the bond market for 7 years. The interest rate for the first two years was 8,5% p.a. compounded bi-annually, and for the next three years the interest rate increased to 9,75% p.a. compounded monthly. During the final two years the interest was 10,25% p.a. compounded quarterly. Calculate the total value of the investment at the end of 7 years. OA.R172 701,95 OB.R173 591,57 O c.R173 277,44 OD. None of these OE. R174 170,02