Sheridan Company has several outdated computers that cost a total of $$18200$ and could be sold as scrap for $$6600.$ They could be

updated for an additional $$2600$ and sold. In deciding whether to update the computers and sell them, what amount is considered sunk

costs?

$$9000$

$$20800$

$$18200$

$$2600$

Attempts: $0$ of $1$ used