Here, i am assuming that the question is :
Your firm's research department has estimated your total revenues to be R(Q) = 3,000 - 8Q2 and your total costs to be C(Q) = 100 + 2Q2
a) Net benefit at Q = 100
3000*100 -8*(100)2 - [100 +2*1002]
= 199900
Net benefit at Q = 200
3000*200 -8*(200)2 - [100 +2*2002]
199900
b) Marginal benefit (MB) = d(R(Q))/dQ = 3000 - 16Q
At Q = 100,
MB = 3000-16*100 = 1400
At Q = 200,
MB = 3000 - 16*200 = -200
c) Q maximize where MB = MC ( marginal cost)
MC = d(C(Q))/dQ = 4Q
3000-16Q = 4Q
3000 = 20Q
Q = 150
d) When Q= 150, net benefits are $224,900.
Marginal benefit = 3000- 16*150 = 600
MC = 4*150 = 600
(10 pts.) Your firm's research department has estimated your total revenues to be R(Q) = 3,000...
Your firm's research department has estimated your total benefits to be TB=300Q-6Q^2 and your Total Cost =4Q^2. What level of Q will yield the maximum benefit?
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