Hector manages Food Plaza, a small grocery store. Based on the previous year's sales data, he estimates that Food Plaza can sell a = -2000p + 7520 lemons this year, where p is the price of a single lemon. Walt supplies Food Plaza with all the fruits and vegetables they sell. His orchards can produce up to 5000 lemons in a single year. If Food Plaza pays Walt $1.90 per lemon on average, how many lemons should Hector buy from Walt in order to maximize the store's profit? Recall that P = R - C, where P is profit, R is revenue, and C is cost. Give your answer as a whole number. number of lemons: