[As HOMEWORKLIB’s policy and guideline, the first-four related parts are answered below:]
2.
a.
Here the demand curve is downward slopping, since there is a variable part in the demand equation. Therefore, the profit-maximizing condition is (MR = MC).
MR comes from the demand function.
P = 300 – 4Q
TR = P × Q = 300Q – 4Q^2
MR = Derivative of TR with respect to Q
= 300 – 8Q
MR comes from the TC function.
TC = 300 + 92Q
MC = Derivative of TC with respect to Q
= 0 + 92
= 92
Now by applying the condition,
MR = MC
300 – 8Q = 92
8Q = 208
Q = 208/8 = 26
Now by putting this value in the demand function, we will get the price.
P = 300 – 4Q
= 300 – 4 × 26
= 300 – 104
= 196
Answer: Output is 26 units and price is 196.
b.
TC = 300 + 92Q
TC = 300 + 92 × 26
= 300 + 2392
= 2692 (Answer)
MC = 92 (Answer)
c.
TC = 1,800 + 10Q + Q^2
= 1800 + 10 × 26 + 26^2
= 1800 + 260 + 676
= 2736 (Answer)
TC = 1,800 + 10Q + Q^2
MC = Derivative of TC with respect to Q
= 0 + 10 + 2Q
= 10 + 2 × 26
= 10 + 52
= 62 (Answer)
d.
MR = MC
300 – 8Q = 62
8Q = 238
Q = 238/8 = 29.75
Now by putting this value in the demand function, we will get the price.
P = 300 – 4Q
= 300 – 4 × 29.75
= 300 – 119
= 181
Answer: Output is 29.75 units and price is 181.
2. Suppose that a firm faces the demand curve, P 300-4Q, where P denotes price in...
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