Your aunt is thinking about opening a hardware store. She estimates that it would cost $300,000 per year to rent the location and buy the stock. In addition, she would have to quit her $45,000 per year job as an accountant. Suppose your aunt thought she could sell $320,000 worth of merchandise in a year. Which statement is true? Opportunity cost of running the hardware store is $300,000 and she should open the store since her economic profit. a. Opportunity cost of running the hardware store is $300,000 and she should open the store since her economic profit would be positive. b. Opportunity cost of running the hardware store is $345,000 and she should open the store since her accounting profit would be positive. c. Opportunity cost of running the hardware store is $300,000 and she should not open the store since her accounting profit would be negative. d. Opportunity cost of running the hardware store is $345,000 and she should not open the store since her economic profit would be negative. Opportunity cost of running the hardware store is $300,000 and she should open the store since her economic profit would be positive..