Question 3 Not yet answered Marked out of 1.00 David quit a job that paid him $50 K/year to start his own business . The business earned him total revenue of $100K/year requiring monetary expenses of $75K/ year. The implicit cost of the business is Select one: O a. $50 K/year. O b. $75 K/year. O c. $100 K/year. o d. $125 K/year