Garden Route Senior Care Centre and Retirement village is a non-profit organisation that provides a variety of services to the elderly. The centre is organised into a number of departments: health, food, and accommodation. The food department primarily consists of the meals-on-wheels programme that delivers hot meals to seniors in their homes on a daily basis. The number of meals prepared will be determined by the number of orders for meals placed by the elderly. This cost is classified as___________ for decision making purposes