The price of a bagel with cream cheese equals $2 and the price of a donut equals 50 cents. The marginal utility to Joaquin of the last bagel consumed equals 16 utils. If Joaquin maximizes his satisfaction by consuming both bagels and donuts, we would expect the marginal utility of the last donut consumed to equal:
- 20 utils.
- 12 utils.
- 8 utils.
- 4 utils.