Use the following data to answer questions $1-5$:

Wilson & Sons Inc. requires $15\%$ return on its investments. The company is

considering the following two mutually exclusive investment projects:

Year Project A Project B

$0($$$50,000)$ $$(75,000)$

$1$ $$18,000$ $$21,000$

$2$ $$22,000$ $$27,000$

$3$ $$20,000$ $$28,000$

$4$ $$14,000$ $$35,000$