Assume a Firm Purchases Resources a and B Under Purely

Multiple Choice

Assume a firm purchases resources a and b under purely competitive conditions and combines these resources to produce X.Product X is sold in a purely competitive market.The MPs of a and b are 6 and 3 respectively and the prices of a and b are $12 and $6 respectively.If equilibrium exists,the price of X will be:

A) $1.
B) $.50.
C) $2.
D) $5.