Stuart Company makes and sells lawn mowers for which it currently makes the engines. It has an opportunity to purchase the engines from a reliable manufacturer. The annual costs of making the engines are shown here. Cost of materials (13,10 Labor (13,100 Units x $1 Depreciation on manufact Salary of supervisor of Rental cost of equipment Allocated portion of cor facility-sustaining cost Total cost to make 13,10 *The equipment has a book value of $105,000 but its market value is zero. Required a. Determine the maximum price per unit that Stuart would be willing to pay for the engines. b. Determine the maximum price per unit that Stuart would be willing to pay for