TR = PRICE * QUANTITY
= {110- Q}*Q
= 110Q - Q2
MR = 110 - 2Q [ by differentiating TR, we get MR]
TC = 30 +5Q
MC = 5 [ by differentiating TC, we get MC]
Equilibrium is determined when MR= MC
110 -2Q =5
105 = 2Q
Q = 105/2
= 52.5 . Hence, profit maximising quantity is 52.5
Substituting 52.5 in price function, we get profit maximising price
P = 110-52.5
= 57.5. Hence, profit maximising price is 57.5
Economic profit = REVENUE - COST
=[ 110*52.5 - 52.52] - [30 +5*52.5]
=[ 5775 -2756.25] - [30+ 262.5]
=[3018.75] - [292.5]
= 2726.25
WHEN COST = 100 +5Q
MR = 5 [ no change in MR]
At equilibrium, MR =MC
110-2Q = 5
Q = 52.50 [ QUANTITY DOES NOT CHANGE]
Since quantity remains same, equilibrium price also remains same.
profit = revenue - cost
= 3018.5 - [100 + 5*52.5]
= 3018.5 - 362.5
= 2656 [ profits got decreased with an increase in fixed cost]
Hence, increase in fixed cost has no effect in equilibrium price and quantity but profit will decrease.
show all work please de verse demand curve a monopoly faces is p = 110 - Q. The firm's cost curve is C(Q) = 30 +5Q....
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% Text Question 1.10 The inverse demand curve a monopoly faces is p = 120 - 20. The firm's cost curve is C(Q)= 10 +6Q. What is the profit-maximizing solution? The profit-maximizing quantity is (Round your answer to two decimal places) The profit-maximizing price is $|| (round your answer to two decimal places.)
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