For cases A through F in the following table, would you
(1) Operate or shut down in the short run and
(2) Expand your plant or exit the industry in the long run?
A B C D E F
Total revenue 1,500 2,000 2,000 5,000 5,000 5,000
Total cost 1,500 1,500 2,500 6,000 7,000 4,000
Total fixed cost 500 500 200 1,500 1,500 1,500