workers: 0, 1, 2, 3, 4, 5, 6, 7.

output: 0, 20, 50, 90, 120, 140, 150, 155

a. Find the marginal product? what pattern is it? explain?

b. a skilled baker costs $100 a day and has fixed costs of $200 . use the information to fill in the column for total cost