Problem 7: (a) Investment A for $100,000 is invested at a nominal rate of interest, j, convertible semiannually. After 4 years, it accumulates to 214,358.88. (b) Investment B for $100,000 is invested at a nominal rate of discount, k, convertible quarterly. After two years, it accumulates to 232,305.73. (c) Investment C for $100,000 is invested at an annual effective rate of inter- est equal to j in year one and an annual effective rate of discount equal to k in year two. Calculate the value of investment C at the end of two years