In: Economics
A perfectly competitive firm faces a market-determined price of $30 for its product. Fill in columns and answer the question below.
| 
 (1)  | 
 (2)  | 
 (3)  | 
 (4)  | 
 (5)  | 
 (6)  | 
 (7)  | 
| 
 Quantity  | 
 Total cost  | 
 Average total cost  | 
 Marginal cost  | 
 Marginal revenue  | 
 Profit margin  | 
 Total profit  | 
| 
 0  | 
 $1,500  | 
|||||
| 
 150  | 
 $4,000  | 
|||||
| 
 300  | 
 $6,600  | 
|||||
| 
 450  | 
 $9,600  | 
|||||
| 
 600  | 
 $14,000  | 
|||||
| 
 750  | 
 $19,200  | 
The competitive firm should produce _____ units to maximize profit.
| 
 Quantity  | 
 Total cost  | 
 Average total cost = Total Cost/Quantity  | 
 Marginal cost = Change in TC/Change in Quantity  | 
 Total Revenue = Q*P  | 
 Marginal revenue= Change in TR/Change in Q  | 
 Profit margin =(Total profit/Total Revenue)*100  | 
 Total profit=TR-TC  | 
| 
 0  | 
 1,500  | 
||||||
| 
 150  | 
 4,000  | 
 26.67  | 
 16.67  | 
 4500  | 
 30  | 
 11.11  | 
 500  | 
| 
 300  | 
 6,600  | 
 22.00  | 
 17.33  | 
 9000  | 
 30  | 
 26.67  | 
 2,400  | 
| 
 450  | 
 9,600  | 
 21.33  | 
 20.00  | 
 13500  | 
 30  | 
 28.89  | 
 3,900  | 
| 
 600  | 
 14,000  | 
 23.33  | 
 29.33  | 
 18000  | 
 30  | 
 22.22  | 
 4,000  | 
| 
 750  | 
 19,200  | 
 25.60  | 
 34.67  | 
 22500  | 
 30  | 
 14.67  | 
 3,300  | 
The firm should produce 600 units to maximise profit.