please verify if correct. if not please answer

West River Fast Lube does oil changes on vehicles in 15 minutes or less. The variable cost associated with each change is $13 (oil, filter, and 15 minutes of employee time). The fixed costs of running the shop are $15,000 each month (store manager salary, depreciation on shop and equipment , insurance, and property taxes). The shop has the capacity to perform 3,000 oil changes each month. Read the resulcuments Requirement a. Tolai Dost OT penorming 1, UUU Oll changes in vay. Determine the formula, then calculate the current total product cost of performing 1,000 oil changes in May, Total fixed cost + Variable cost per unit Number of units 1 = Total product cost $15000 S13 1000 $28000 + Requirement b. Average cost of performing each oil change in May. Determine the formula, then calculate the current average cost per oil change Total product cost Number of units Average cost per oil change S28000 1000 28 = + Requirement c. Marginal cost of perforrning an oil change in May. The marginal cost of performing an oil change in May is $13 Requirement d. If the company could reach full capacity one month, what would the total cost be? If the company could reach full capacity one month, the total cost would be $54000 Requirement e. At full capacity, what would the average cost be of each oil change? (Enter your answer to the nearest cent.) At full capacity, the average cost of each oil change would be 18 Requirement f. Could West River Fast Lube offer more competitive pricing if it operated closer to full capacity? Explain