3) The local convenience store makes personal pan pizzas. Currently, their oven can produce 50 pizzas per hour. It has a xed cost of $2,000, and a variable cost of $0.25 per pizza. The owner is considering a bigger oven that can make 75 pizzas per hour. It has a fixed cost of $3,000, but a variable cost of $0.20 per pizza. a) At what quantity do the two ovens have equal costs? b) If the owner expects to sell 9,000 pizzas, should he get the new oven