As a single seller in her area, Jasmine determined she could sell fifteen units at $12 per unit and sixteen units at $11.35 per unit. Her marginal revenue for the sixteenth unit is:

1. A.1.6
2. B.$11.25.
3. C.$0.
4. D.$45.
5. E.$135.

At the profit maximizing output the form is making

1. $200 profit.
2. $200 loss
3. $0 profit
4. $100 profit

EfuaApeatsewa'sbakeryproduces 10 cakes per day. The marginal cost of the tenth cake is $20, and average total cost of 10 cakes is $8. The average total cost of 9 cakes is:

A.$4.

B.$7.22

C.$6.22

D.$6.67

E.$4.5