Classify each cost as variable, fixed, or mixed.

1.		Insurance on the buildings		VariableMixedFixed
2.		Property tax bill		FixedVariableMixed
3.		Sales commission		MixedFixedVariable
4.		Nails used to produce furniture		FixedMixedVariable
5.		Fuel needed to operate the machinery		MixedVariableFixed
6.		Hourly wages of the assembly-line workers		MixedFixedVariable
7.		Rental of U-Haul charged based on daily rate plus km driven		MixedFixedVariable
8.		Depreciation on the building		MixedVariableFixed
9.		Rent paid for office space		FixedMixedVariable
10.		Maintenance costs of delivery vans		FixedVariableMixed