hello can i have a detailed explanation of this problem , i already know the answer, with explanation calculation or theory 1)8-32 Refer to the

hello can i have a detailed explanation of this problem , i already know the answer, with explanation calculation or theory

1)    8-32

Refer to the diagram above. In this instance, at the range of output represented at point b,ù

answer: a) total costs exceed total revenues.

b) the firm should shut-down.

c) the firm is earning profits.

d) total revenues exceed total costs.