Answer:
Given,
price of boxes per thousand = R100
Total cost function:
TC=3,000,000+0.001Q2MC=0.002Q
(a). A firm in a perfectly competitive market maximizes its profit where the price is equal to the marginal cost.
P=MC100=0.002QQ=0.002100Q=50,000
At Q=50,000 the firm will maximize its profit.
(b). The formula to calculate profit or loss is given below:
Profit=TR−TCWhere,TR=P×QTC=3,000,000+0.001Q2Profit=100×50,000−(3,000,000+0.001×(50,000)2)Profit=5,000,000−3,000,000−2,500,000Profit=5,000,000−5,500,000Profit=−500,000
(c). To decide whether the firm should shut down or operate average variable cost is needed.
Note: if a firm's price is greater than the average variable cost then only it operates in the short run otherwise it will shut down operations.
Variablecost=0.001Q2=QVariable cost=Q0.001Q2=0.001Q=0.001×50,000=50
Here, the average variable cost is less than the price (50<100) so the firm will shut down in the short run. The firm is neither covering its average total cost nor full average variable cost so it will shut down.
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