Suppose a Firm Employs Two Inputs,X and Y,and That at Their

Multiple Choice

Suppose a firm employs two inputs,X and Y,and that at their current levels of use MP_X/P_X > MP_Y/P_Y.To minimize the cost of production,the firm should hire

A) more input Y and less input X.
B) more input X and less input Y.
C) more input Y only if its price falls.
D) more input X only if its price increases.
E) more input X only if its price decreases.