K Moss River Fast Lube does oil changes on vehicles in 15 minutes or less. The variable cost associated with each oil change is $11 (oil, filter, and 15 minutes of employee time). The fixed costs of running the shop are $14,000 each month (store manager salary, depreciation on shop and equipment, insurance, and property taxes). The shop has the capacity to perform 4,000 oil changes each month. Read the requirements. Requirement a. Total cost of performing 1,000 oil changes in May. Determine the formula, then calculate the current total product cost of performing 1,000 oil changes in May. + ( = Total product cost ) =