PPP is concerned about the reported loss on the mugs they make. It is considering eliminating mugs. If mugs were discontinued, PPP would be able to make and sell an additional 10,000 plates. The effect on operating profit would be _______________. Question 18 options: none of the options an increase of $20,000 an increase of $6,250 a decrease of $12,500 a decrease of $31,250