Your inventory manager has asked you to approve the purchase of a new
inventory control software package. The software will cost \(\$ 200,000\) and
will last for four years, after which it will become obsolete. If you do not
approve this purchase, your company will have to hire two new inventory
clerks, paying each \(\$ 30,000\) per year. Answer the following questions:
a. Should you approve the purchase of the inventory control software if the
relevant annual interest rate is 7 percent?
b. Would your answer to part (a) change if the annual interest rate is 9
percent? Explain.
c. Would your answer to part (a) change if the software cost \(\$ 220,000 ?\)
Explain.
d. Would your answer to part (a) change if the software would not become
obsolete until the last day of its sixth year?