Consider the values in the following table for the Winsome Widget Factory.

Winsome Widget Factory
Output	Long Run Average Total Cost
0	-
5	170
10	110
15	85
20	83
25	78
30	75
35	75
40	80
45	82
50	97

a. Over what output levels do the economics of scale occur? Explain.

b. Over what output levels do constant returns to scale occur? Explain.

c. Over what output levels do diseconomies of scale occur? Explain.