Fill in the missing components a - l

Sweeper 3000 makes brooms and then sells them door-to-door. A worker costs $100 a day, and the firm has a fixed cost of $300 (use this information to help you with the total cost column). Then, calculate the ATC and MC. Here is the relationship between the number of workers and their output during a given day:

Workers	Output	Marginal Product	Total Cost	Average Total Cost	Marginal Cost
0	0	0	300	-	-
1	20	a. _______	b. ______	c. _____	d. _____
2	50	e. _____	f. _____	g. _____	h. _____
3	90	i. ______	j. _____	k. ______	l. _____