We R' Write is really worried about their production line for pens. The company is concerned that they are employing more workers on the production line than necessary. We R' Write has provided you with the production information for pens in the table below that corresponds to different numbers of workers on the production line.

• Describe where the law of diminishing marginal productivity begins for We R' Write.
• We R' Write currently uses 75 workers on the production line per day. Given the calculations in the table, is this number optimal? Why, or why not?
• If you could make a suggestion regarding the optimal number of workers We R' Write should use on the production line, what would it be? Why?

Number of Workers per Day	Pens Produced per Day	Average Product	Marginal Product	Price per Pen	Total Value Product	Average Value Product	Marginal Value Product	Price of Worker per Day
0	0	---	---	$3.50	$0.00	---	---	$560
15	1,000	66.67	67	$3.50	$52.50	$233.33	$233.33	$560
30	2,700	90.00	113	$3.50	$105.00	$315.00	$396.67	$560
45	5,100	113.33	160	$3.50	$157.50	$396.67	$560.00	$560
60	7,900	131.67	187	$3.50	$210.00	$460.83	$653.33	$560
75	12,000	160.00	273	$3.50	$262.50	$560.00	$956.67	$560
90	15,700	174.44	247	$3.50	$315.00	$610.56	$863.33	$560
105	18,100	172.38	160	$3.50	$367.50	$603.33	$560.00	$560
120	20,300	167.17	147	$3.50	$420.00	$592.08	$513.33	$560
135	21,900	162.22	107	$3.50	$472.50	$567.78	$373.33	$560
150	22,300	148.67	27	$3.50	$525.00	$520.33	$93.33	$560
165	22,300	135.15	0	$3.50	$577.50	$473.03	$0.00	$560
180	21,500	119.44	-53	$3.50	$630.00	$418.06	-$186.67	$560