Answer:
$1,000,000.
Step-by-step explanation:
Opportunity cost is the cost of the other alternatives forgone when one option is chosen over other options. It is known as economic cost.
By choosing to work on tv, Jon Stewart forgoes the choice of been a producer and earning $400,000. Therefore, his opportunity cost is $400,000.
If Jon Stewart chooses to be a producer, he would forgo the opportunity to work on the tv and earn $1 million. His opportunity cost would be $1 million.
I hope my answer helps you