Concord Corporation has several outdated computers that cost a total of $18000 and could be sold as scrap for $6000. They could be updated for an additional $2900 and sold. If Concord updates the computers and sells them, net income will increase by $9000. What amount would be considered sunk costs?

$18,000

Explanation:

Sunk costs refers to a cost that has been expended and cannot be recovered or recouped.

With regards to the above, $18,000 was expended concord by corporations to purchase computers hence cannot be recovered. Therefore, it is a sunk cost.

its kinda hard to answer this when we dont have all the information that we need.

the correct option is c