Revisit the costs for the Khalid Company below. For future reference, identify what type of cost is involved using the drop down boxes. A. fixed B. fixed C. variable D. fixed E. variable Rent of $5,000 on a billboard to help advertise the product Rent on factory and equipment of $8,000 Total payroll for hourly paid, factory workers $24,000 Tomatoes, onions, spices and bottles $18,000 Total payroll for salaried, administrative staff $6,000