Benito embroiders and sells T-shirts. The graph shows his profit as a function of the number of shirts sold.
After selling a certain number of shirts, Benito uses some earnings to buy more materials and then increases the price of the shirts.
Which of the following is true?
![Benito embroiders and sells Tshirts The graph shows his profit as a function of the number of shirts sold After selling a certain number of shirts Benito uses s class=](https://us-static.z-dn.net/files/d52/14c57a58ad78c2638e1a16c360c9dfde.png)