1.

a.

$31.00.

b.

$51.00.

c.

$17.00.

d.

$10.00.

e.

There is not enough information to answer this question.

Output

Total Cost

0

$20

1

$30

2

$41

3

$51

4

$65

5

$75

6

$84

7

$105

what is answer