Refer to the Following

Multiple Choice

Refer to the following:
The price of capital is $500 per unit.
-At point A, the firm can exchange

A) 1 unit of capital for 5 units of labor and keep output unchanged.
B) 5 units of capital for 1 unit of labor and keep output unchanged.
C) 5 units of capital for 1 unit of labor and keep cost unchanged.
D) both b and c
E) none of the above