The following table shows the utility of consumption of Pizza to Mario:
Quantity (Per month) Total Utility (TL monetary value)
0 0
1 25
2 45
3 60
4 68
5 75
6 75
a) Calculate the marginal utility for each quantity consumed.
b) Suppose price of pizza is 15TL. How many pizzas should Mario consume this month?
c) Derive and graph Mario's demand for pizza.