In Answering Which of the Following Questions Would You Find

In answering which of the following questions would you find it necessary to calculate a present value?

A) Should Jane put $1,000 today into a 5-year certificate of deposit that pays 4 percent annual interest?
B) Should ABC Corporation buy a factory today for $2 million,knowing that the factory will yield the corporation $3 million after 5 years?
C) If Jill puts $5,000 today into a bank account that pays 3 percent interest,then how much will she have in the account after 2 years?
D) You would find it necessary to calculate a present value in order to answer all of these questions.