The table shows cost data for a firm that is selling in a perfectly competitive market. If the market price for the firm's product is $180, the competitive firm will produce:

Output	AFC	AVC	ATC	MC
1	$300	$100	$400	$100
2	150	75	225	50
3	100	70	170	60
4	75	73	148	80
5	60	80	140	110
6	50	90	140	140
7	43	103	146	180
8	38	119	156	230
9	33	138	171	290
10	30	160	190	360

Multiple Choice

• 5 units at an economic profit of $100.
• 8 units at an economic profit of $278.
• 7 units at an economic profit of $238.
• 6 units at an economic profit of $120.