Question Completion Status: QUESTION 21 Costs that should be ignored when making decisions are: A. unavoidable costs B. avoidable costs C. relevant costs D. incremental costs QUESTION 22 Dropping a product line will improve overall net operating income if the product line avoidable costs exceeds: A. the contribution margin from the product line B. the unavoidable costs from the product line C. the opportunity costs from the product line D.the sunk costs from the product line Save