It's a multiple choice question, which answer is the correct one? Explain.

The present value of 100 due in five months is 99 . Which of the following is a correct expression for d(4) ? Explain your answer. (a) 4(1(10099)0.6) (c) 4(1(10099)1.25) (e) None of the above is cor- (b) 4(1(99100)0.6) (d) 4(1(10099)5/3) rect