Assume a firm's short-run cost function is given by the following expression:

C(q)=10+q+q^2

If the firm can sell each unit of their output at a price ofp=3 , what is the firm's profit maximizing level of output (q) in the short-run?

a) 1 unit of output

b) 2 units of output

c) 3 units of output

d) The firm should shut down in the short-run because the profit is less than zero