Exhibit 7-2 Cost schedule for pizza production Labor Pizzas Materials Cost $ 0 4 0 1 Energy Cost $0 12 22 30 36 40 Cost $10 10 24 40 60 90 2 3 4 8 12 16 5 20 Exhibit 7-2 shows the labor, energy, and materials cost of making various quantities of pizzas. The table shows that the energy cost of making pizzas will: o increase at a decreasing rate. o decrease at a decreasing rate. o decrease at an increasing rate. increase at an increasing rate. O increase at a constant rate