You Use $50,000 of Your Own Money to Start a Catering

You use $50,000 of your own money to start a catering business. During the first year you earn a 5% return on that investment. If the current interest rate is 8%, you earn an economic profit of

A) -$4,000.
B) -$2,500.
C) -$1,500.
D) $4,000.