Consider total cost and total revenue, given in the following table:

In the final column, enter profit for each quantity. (Note: If the firm suffers a loss, enter a negative number in the appropriate cell.)

QUANTITY	TOTAL COST	MARGINAL COST	TOTAL REVENUE	MARGINAL REVENUE	PROFIT
0	6		0
1	8		7
2	10		14
3	13		21
4	17		28
5	24		35
6	32		42
7	42		49