PROBLEM 1. Identification of Variable, Fixed, and Semivariable Costs. Place a check mark in the appropriate column to indicate whether the following costs are variable, fixed, or semivariable. Item Variable Fixed Semivariable 1. Small tools 2. Patent amortization 3. Health and accident insurance 4. 5. 6. 7. 8. Materials handling 9. 10. Heat, light, and power Straightline depreciation Maintenance of buildings and grounds Royalties Property and liability insurance Maintenance of factory equipment