A contrast is designed by these equations: MB = 1000- 10L MC = 76 + 4L2 Calculate the optimal contract length. Can you show me how to calculate the optimal length step by step not sure how the answer is 14
Optimal contract length is that length corresponding to which MB equals MC.
MB = 1000 - 10L
MC = 76 + 4L2
Equating MB and MC
1000 - 10L = 76 + 4L2
1000 - 10L - 76 - 4L2 = 0
-4L2 - 10L + 924 = 0
4L2 + 10L - 924 = 0
Dividing the both sides by 2
2L2 + 5L - 462 = 0
Soving above quadratic equation -
2L2 + 33L - 28L - 462 = 0
L(2L + 33) - 14(2L + 33) = 0
(2L + 33) (L - 14) = 0
Putting each equal to 0 -
2L + 33 = 0
L = -33/2
L - 14 = 0
L = 14
The value of contract can not be in negative.
So,
The optimal length of contract is 14.
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