Karen runs a print shop that makes posters for large companies. It is a very competitive business. The market price is currently $1 per poster. She has fixed costs of $500. Her variable costs are $1,800 for the first thousand posters, $1,500 for the second thousand, and then $900 for each additional thousand posters.

Instructions: Round your answers to 3 decimal places.

(a) What is her ATC per poster if she prints 1,000?

(b) What if she prints 2,000?

(c) What if she prints 10,000?