2. Jane’s marginal benefit per day from drinking coke is given in the table below. This shows that she values the first coke she drinks at $1.20, the second at $1.15, and so on.
If the price of coke is $1.00, the optimal number of cokes that Jane should drink is: explain how you arrived at the answer.
a) 1.
b) 2.
c) 3.
d) 4.