The cost-Minimization problem For given W,, W2 and y, the firms cost-minimization problem is to solve min W1X1+W2X 2 X1,X2≥0 subject to f(x1, X2)=yThe Cost-Minimization Problem uFor given w1 , w2 and y, the firm’s cost-minimization problem is to solve min x ,x w x w x 1 2 0 1 1 2 2 ³  subject to f (x ,x ) y. 1 2 