Assume the price of mineral water is $2 per glass and pizza is $1.

Pieces of Pizza (per week)	Total Utility (pizza)	Glasses of water (per week)	Total utility (water)
1	25	1	20
2	45	2	35
3	60	3	45
4	70	4	50
5	74	5	51
6	75	6	51

Assume that the above information pertains to Thomas.  How will Thomas spend his weekly income of $10 in order to maximize his utility?

a. He will purchase 3 slices of pizza and 3 glasses of water.
b. He will purchase 10 slices of pizza and 0 glasses of water.
c. He will purchase 3 slices of pizza and 4 glasses of water.
d. He will purchase 4 slices of pizza and 3 glasses of water.
e. He will purchase 6 slices of pizza and 2 glasses of water.