Outout per week	Total cost $)	AFC	AVC	ATC	MC
(units)	($)	($)	($)	($)	($)
0	100
1	150	100	50	150	50
2	175	50	37	87	25
3	190	33	30	63	15
4	210	25	27	52	20
5	240	20	28	48	30
6	280	16	30	46	40
7	330	14	33	47	50
8	390	12	36	48	60
9	460	11	40	51	70
10	540	10	44	54	80

A) Suppose the equilibrium price in the lamp market is $55 and that Ellis can only produce integer number of lamps. How many lamps should Harry optimally produce, and how much profit would be make?

B) If next week the equilibrium price of lambs drops to $25. Would Ellis be breaking even? Explain should Ellis shut down?