PROBLEM Il: (10 POINTS) The following is a list of various costs of producing T-shirts. Classify each cost as either a variable, fixed, or mixed cost for units produced and sold. Ink used for screen printing (a) (b) Warehouse rent of $8,000 per month plus $0.50 per square foot of storage (c) (d) used Thread Electricity costs of $0.038 per kilowatt-hour Janitorial costs of $4,000 per month (e) (0 Color dyes for producing different colors of T-shirts (g) Straight-line depreciation on sewing machines Hourly wages of sewing machine operators (0 Property taxes on factory, building, and equipment 0 Maintenance costs with sewing machine company (the cost is $2,000 per year plus $0.001 for each machine hour of use.)