Suppose a Firm Is Using 1500 Units of Labour and 20

Multiple Choice

Suppose a firm is using 1500 units of labour and 20 units of capital to produce 100 tonnes of mineral ore.The price of labour is $50 per unit and the price of capital is $800 per unit.The MP_L equals 25 and the MP_K equals 400.In this situation,

A) the firm is minimizing its costs.
B) the firm should increase the use of both inputs.
C) the firm could lower its production costs by decreasing labour input and increasing capital input.
D) the firm could lower its production costs by increasing labour input and decreasing capital input.
E) the firm should decrease the use of both inputs.