Answer Happy

These are Economics questions. Please choose the correct answer
and provide proper explanation.
Sadie's Cleaning Services is a perfectly competitive firm that currently cleans 20 offices an evening. Sadie's marginal cost is less than the price it charges. Sadie's will increase its profit if it cleans: fewer than 20 offices an evening more than 20 offices an evening 20 offices an evening but increases its price more than 20 offices an evening and charges a higher price Tammy sells woolen hats in a perfectly competitive market. The marginal cost of producing 1 hat is $12. The marginal cost of producing a second hat is $14 and the marginal cost of producing a third hat is $16. The market price of a hat is $14. To maximize profit, how many hats should Tammy produce everyday? 1 hat 2 hats 3 hats As many hats as possible