homer's holesome donuts has determined that its profit-maximizing quantity is 10,000 donuts per year. homer's earns $12,000 in revenue from the sale of those donuts. homer's has two costs. first he pays $16,000 in annual rental payments for its five-year lease on its store. second homer incurs an additional cost of $5,000 for ingredients. should homer's exit the market in the long run?