Table 7P-1 shows the total utility that Han gets from ice cream, for each quantity he consumes.

Question:

Table 7P-1 shows the total utility that Han gets from ice cream, for each quantity he consumes. Fill in the third column showing the marginal utility he gets from each additional scoop.
Scoops of ice cream 2 3 4 5 Total utility 12 19 23 25 25 Marginal utility of the last scoop eaten