The corresponding table shows the production and cost information for a perfectly competitive firm that produces anvils.

Quantity produced	Total cost	Total revenue	Number of workers
5	20	12.5	1
10	30	25	2
22	43	55	3
32	59	80	4
40	78	100	5
47	90	117.5	6
53	115	132.5	7
58	143	145	8
64	174	160	9

What is the price of each anvil?

price per anvil: $

Assume the company currently employs 44 workers. If they add one worker so that they have 55 workers, what is the additional worker's marginal (physical) product?

marginal product of labor: units

Assume the company currently employs 88 workers. If they add one worker so that they have 99 workers, what is the additional worker's marginal revenue product?

marginal revenue product: $