A company makes pens. They sell each pen for $7. Their revenue is represented by R = 7 x. The cost to make the pens is 53 each with a one time start up cost of $5500. Their cast is represented by C = 3 x + 5500. a} Find the profit, H, (P = R - C) when the company sells 1000 pens. O -2500 O -?000 0 12500 O 7000 O -1500 b} Find the number of pens they need to sell to break even (when R = C}. O 1834 O 13?5 O 5500 O 736