Gluck Metal Works stamps sheet metal into blanks that are used in a variety of consumer products. The average cost for sheet metal is $75 per ton. Gluck's waste disposal company charges $50 per ton to dispose of manufacturing waste. The stamping process currently employed by Gluck generates an average of 120 tons of waste per month. What is the annual cost of stamping waste, including both the materials cost and the disposal cost? A. $180,000 B. $72,000 C. $108,000 D. $15,000