Winnebagel Corp. currently sells 47,176 motor homes per year at $47,587 each, and 12,040 luxury motor coaches per year at $94,768 each. The company wants to introduce a new portable camper to fill out its product line; it hopes to sell 23,520 of these campers per year at $14,209 each. An independent consultant has determined that if Winnebagel introduces the new campers, it should boost the sales of its existing motor homes by 2,853 units per year, and reduce the sales of its motor coaches by 813 units per year. What is the amount to use as the annual sales figure when evaluating this project