A restaurant that outsources its food delivery services is assessing the total cost of working with their current supplier. Which of the following costs should not be included in calculating total cost of ownership? O a. Costs of handling customer complaints due to impolite delivery personnel. O b. Costs incurred by the supplier for repair and maintenance of delivery vehicles or scooters. O c. Costs of discounts provided to customers for late deliveries. O d. Costs of loss sales due to the supplier delivering the wrong meals. O e. Costs of evaluating a supplier's performance