Find the best match

A. Sunk costs

B. Relevant cost

C. Opportunity cost

Past costs that are not relevant

John is considering buying new machines because last year he spent $4000 on machines that wont work the $4000 is a

John can invest or he can leave his money in the bank and earn $4000 in interest the $4000 is a

Fixed cost or $10,000 variable costs are $40 per unit for decision makeing purposes the $40 is the