Refer to the following table as you answer the following questions.

Consider the following marginal value and marginal cost schedule for ATM transactions.

Unit MV($) MC ($) Unit GFT Total GFT

1 27 1.0

2 21 1.0

3 15 1.0

4 12 1.0

5 8 1.0

6 5 1.5

7 2 2.0

8 1 2.5

9 0.5 3.0

10 0 4.0

What is the efficient level of PS?

What is the efficient level of CS?

If firms only produced fiveunits, what would GFT be?

If firms actually produced 10 units, what would GFT be?