fixed or variable?

For each item, indicate whether the cost is MAINLY fixed or variable with respect to the possible measure of activity listed next to it. Variable Choose... Cost of vaccine used at a clinic Cost of renting production equipment on a monthly basis at a snowboard manufacturer Dental hygiene supplies at a dentist's office Fixed Variable Choose... Shift manager's wages at a taco shop Cost of direct materials used to make furniture Choose... - Cost of heating a hardware store Choose