Suppose the interest rate is 4.3 %. a. Having $ 400 today is equivalent to having what amount in one​ year? b. Having $ 400 in one year is equivalent to having what amount​ today? c. Which would you​ prefer, $ 400 today or $ 400 in one​ year? Does your answer depend on when you need the​ money? Why or why​ not? a. Having $ 400 today is equivalent to having what amount in one​ year?