Callahan's Calabash Seafood Restaurant is a family$-$owned

business started by Marc Callahan over $10$ years ago. Callahan's

is only open Thursday through Saturday and only serves dinner.

In recent months, Marc has seen a drop$-$off in business. Just last

month the restaurant broke even. Marc looked over the records

and saw that the restaurant served $1000$ meals $($variable cost is

$$10$ per meal$)$ and paid other bills totalling $$25000.$ He looked

over the bills and realised that they all represented fixed costs.

The restaurant currently breaks even at $1000$ meals.

Required

Calculate Callahan's average selling price for a meal.