A producer operating in a perfectly competitive market has chosen his output level to maximize profit. At that output, his revenue and costs are as follows:
![1736_27caf8e8-cf26-4424-8640-87d368f0c750.png](https://secure.tutorsglobe.com/CMSImages/1736_27caf8e8-cf26-4424-8640-87d368f0c750.png)
Calculate his producer surplus and his profits. Which (if either) of these should he use to determine whether he should exit the market in the short run? Briefly explain.