Thomas sets up a new coffee shop in a building he owns. He puts $200,000 of his money into the business. He could have got 8% interest on this money if he had deposited it in an investment account. He gives up his job, which paid him $50,000 a year. He could rent the building out for $10,000 a year.
His business incurs explicit costs of $80,000 (excluding any salary for himself).
Based on the information above, choose the correct answer for each of the following questions.