Granville notices that two out of his four departments are currently losing money, but the other two are highly profitable. He is wondering if his business would be better off if he closed the one or both of the "loser" departments. He is especially concerned that the bridge department is losing $100,000 a year (not as worried about the Seawall department which is losing $5,000) Overall, the business is earning a profit of $350,000 a year (the other departments are streets and bikelanes). What should Granville do? Discuss all relevant factors