Required information [The following information applies to the questions displayed below.] Martinez Company's relevant range of production is 7,500 units to 12,500 units. When it produces and sells 10,000 units, its average costs per unit are as follows: 3. If 8,000 units are produced and sold, what is the variable cost per unit produced and sold? (Round your answer to 2 decimal places.) 4. If 12,500 units are produced and sold, what is the variable cost per unit produced and sold? (Round your answer to 2 decimal places.) 5. If 8,000 units are produced and sold, what is the total amount o variable costs related to the units produced and sold? (Do not round intermediate calculations.)