1.

The following table shows the total cost schedule of   competitive firm. It is given that the price of the good is Rs 10. Calculate the profit at each output level. Find the profit maximising the level of output.Quantity SoldTC05115222327431538649763881910110123

Answer»
Quantity SoldPriceTCTR = P x QProfit = TR - TC
010510 x 0 = 00 - 5 =- 5
1101510 x 1 = 1010 - 15 = - 5
2102210 x 2 = 2020 - 22 = -2
3102710 x 3 = 3030 - 27 = 3
4103110 x 4 = 4040 - 31 = 9
5103810 x 5 = 5050 - 38 = 12
6104910 x 6 = 6060 - 49 = 11
7106310 x 7 = 7070 - 63 = 7
8108110 x 8 = 8080 - 81 = -1
91010110 x 9 = 9090 - 101 = -11
101012310 x 10 = 100100 - 123 = - 23

Profit maximising output is where the difference between TR and TC is the maximum. This exists at 5 units of output, where firm is earning profit of Rs 12.



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