Use the following information to answer questions 8-10. Greene Industries manufacturers components for automobile breaking systems within a relevant range of 8,000 - 12,000 units. When Greene Industries produces 10,000 units, it reports the following costs per unit: Variable cost per unit $12.00 Fixed cost per unit $4.50 Total cost per unit $16.50 Compute total variable costs if Greene Industries produces 8,000 components