Suppose Jesse is deciding between three different menu items

Suppose Jesse is deciding between three different menu items at an Italian restaurant: lasagna, pizza, and ravioli. She decides that her favorite choice of the three is ravioli, with pizza second, and lasagna third. Unfortunately, the waiter informs her that they are out of ravioli, So she instead orders pizza. What is her opportunity cost of ordering pizza?

a) Ravioli
b) Lasagna
c) Ravioli and lasagna
d) There is no opportunity cost because she can come back and try the other dishes some other time.

Solution

Lasagna because it Shows the maximum utility if she consume best alternative lasagna. Ravioli could have been opportunity cost but it is not available