The table shows the total benefit that Jenny derives from consuming different quantities of chocolate.

Quantity of Chocolate Consumed	Total Benefit ($)
0	0
1	10
2	18
3	24
4	29
5	30

If Jenny consumes a sixth unit of chocolate and the marginal benefit derived from that unit is

1,

the total benefit derived from the sixth unit will be equal to ________.

A.

$0

B.

$29

C.

$3

D.

$39