Question 19 Suppose the interest rate is positive (r>0). The present value of a payment of $X received in four years will be: (Note: you do receive an amount of payment, meaning $X is a nonzero, positive number.) A. more than the present value of $X received in three years B. more than the present value of $X received in five years. C. It is impossible to answer with certainty without knowing what $X is. 1.5 pts O D. It is impossible to answer with certainty without knowing what the interest rate is