A) as Q= K*L
K = Q/L= 121,000/L
Isoquant: K = 121,000/L
b) isocost line , C = L*w + K*r
so C = 10L + K
slope of isocost line = w/r = 10
c) at cost minimising combination,
MRTSL,K = w/r
as MRTS= MPL/MPK= K/L
so at eqm, K/L = 10
so K = 10L
now from Production function,
121,000 = 10L2
thus L = 110
Hence K = 1,100
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