In: Economics
B. Also, calculate TR, MR and π=profit when the entrance price falls to $50.
Table 1 |
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Q |
Price |
TR when Price=60 |
TC |
Profit π |
MC |
MR when Price=60 |
TR when P=$50 |
MR P=$50 |
Π P=$50 |
0 |
60 |
100 |
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1 |
60 |
150 |
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2 |
60 |
178 |
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3 |
60 |
198 |
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4 |
60 |
212 |
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5 |
60 |
230 |
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6 |
60 |
250 |
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7 |
60 |
272 |
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8 |
60 |
310 |
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9 |
60 |
355 |
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10 |
60 |
410 |
C. As you look over the completed table, what level of Q maximizes profit when price=$60 and when price=$50?
Total Revenue = Price x Quantity
Marginal Revenue = Change in Total revenue / Change in Quantity
Marginal Cost = Change in Total Cost / Change in Quantity
Profit = Total Revenue - Total Cost
Q | P | TR | MR | TC | MC | Profit |
0 | 60 | 0 | -- | 100 | -- | -100 |
1 | 60 | 60 | 60 | 150 | 50 | -90 |
2 | 60 | 120 | 60 | 178 | 28 | -58 |
3 | 60 | 180 | 60 | 198 | 20 | -18 |
4 | 60 | 240 | 60 | 212 | 14 | 28 |
5 | 60 | 300 | 60 | 230 | 18 | 70 |
6 | 60 | 360 | 60 | 250 | 20 | 110 |
7 | 60 | 420 | 60 | 272 | 22 | 148 |
8 | 60 | 480 | 60 | 310 | 38 | 170 |
9 | 60 | 540 | 60 | 355 | 45 | 185 |
10 | 60 | 600 | 60 | 410 | 55 | 190 |
From the above table, the firm's achieves maximum profit at 10 units of 190
Q | P | TR | MR | TC | MC | Profit |
0 | 50 | 0 | -- | 100 | -- | -100 |
1 | 50 | 50 | 50 | 150 | 50 | -100 |
2 | 50 | 100 | 50 | 178 | 28 | -78 |
3 | 50 | 150 | 50 | 198 | 20 | -48 |
4 | 50 | 200 | 50 | 212 | 14 | -12 |
5 | 50 | 250 | 50 | 230 | 18 | 20 |
6 | 50 | 300 | 50 | 250 | 20 | 50 |
7 | 50 | 350 | 50 | 272 | 22 | 78 |
8 | 50 | 400 | 50 | 310 | 38 | 90 |
9 | 50 | 450 | 50 | 355 | 45 | 95 |
10 | 50 | 500 | 50 | 410 | 55 | 90 |
From the above table, the firm's achieves maximum profit at 9 units of 95