Suppose the production function of a firm is given as X=0.5L ½ K½ price of labor and capital are given as $5 and $10 respectively, and the firm has cos out lay of$ 600
I. The profit maximizing level of L & K to employ.
II. The MRTSL,K at optimum
production function, X=
MPL= =
MPK= =
MRTS=MPL/MPK=w/r
w=5
r=10
MRTS = ( / ( )
=
K=2L
Calculating the combination of labor that maximizes the firm's output
C = wL + rK, and K=2L
600=5L +
600=25L
L=24
K=2L = 48
Combination of labor and capital that maximizes the firm's output is;
w,r)=(24,48)
Maximum output, X=
X=
=33.96
Maximum output= 33.96
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