Ryan manages a store that sells mp3 players. each mx300 takes 3 to create the plastic pieces, 3 to create the electronics, and 15 of labor to assemble the final product. each xl2000 requires 1 to create the plastic pieces, 6 to create the electronics, and 9 of labor to assemble the final product. the factory has 240 to create the plastic pieces, 630 to create the electronics, and 1260 of labor to assemble the final product each week. if each mx300 generates $14 in revenue, and each xl2000 generates $5, how many of each of the mp3 players should ryan have the store sell each week to make the most revenue?