Suppose Jodi's Widget Business Is Using Two Inputs,labour and Capital

Multiple Choice

Suppose Jodi's widget business is using two inputs,labour and capital.If the price of labour increases,which of the following will happen?

A) The firm's marginal cost curve will remain unchanged.
B) The firm's average total cost curve will shift upward.
C) Jodi will shut down her business.
D) Jodi will hire more labour.
E) The firm's average fixed cost curve will shift upward.