please help. thank you!

Question 20 2.5 pts Estimate unit variable costs. Production volume was 10 units. fire insurance $100 depreciation $240 rent $200 assembly workers' wages $500 production supervisor's salary $120 direct materials $300 O $80 per unit O $104 per unit O $50 per unit O not enough information -- it depends on whether the relevant range is fixed or variable $30 per unit