Until recently Rosemarie worked as an accountant, earning $30,000 annually. Then she inherited a piece of commercial real estate that had been renting for $12,000 annually. Rosemarie decided to leave her job and operate a Peruvian Restaurant in the space she inherited. At the end of the first year, her books showed total revenues of $260,000 and total cost of $230,000 for food, utilities, cooks, and other supplies. Her economic profit at the end of one year is.
a. $230,000
b. 30,000
c.$0
d. $-12,000