Answer to Question #127984 in Microeconomics for Surya Salur

Question #127984

Consider the Beiswanger Company, a small firm engaged in engineerng analysis. Beiswanger’s president has estimated that the firm’s output per month (Q) is related in the following way to the number of engineers € and technicians used (T): Q = 20E – E^2 + 12T – 0.5T^2 . The monthly wage of an engineer is $4,000, and the monthly wage of a technician is $2,000. President allots $28,000 per month for the combined wages of engineers and technicians.



What amount of engineers should be hired?

a. 2

b. 4

c. 6

d. 8


What amount of technicians should be hired?

a. 4

b. 2

c. 6

d. 8


1
Expert's answer
2020-08-05T16:32:07-0400

The output is maximized, when MPe/Pe=MPt/PtMPe/Pe = MPt/Pt and 4,000×E+2,000×T=28,000.4,000×E + 2,000×T = 28,000.

MPe=Q(E)=202E,MPe = Q'(E) = 20 - 2E,

MPt=Q(T)=12T.MPt = Q'(T) = 12 - T.

202E4,000=12T2,000\frac{20 - 2E} {4,000} = \frac{12 - T} {2,000}

E = T - 2,

4,000×(T2)+2,000T=28,000,4,000×(T - 2) + 2,000T = 28,000,

T = 6, E = 6 - 2 = 4.

So, the correct answers are:

b. 4 and c. 6.



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