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. Gluck has developed a new system that would increase the efficiency of its stamping process. The new system has an annual cost of $45,000, but would reduce stamping waste by 50%, the remaining waste would be sold to a recycler for $30 per ton. What is the net savings if Gluck implements this new system? A. $102,600 B. $72,000 C. $21,600 D. $147,600