You found a very cool new job selling tickets to ride a giant slide that has been set up at the beach. the giant slide owner says she will pay you commission in one of two ways. every weekend, you will get either $40 plus $5 for every giant slide ticket you sell or $70 plus $2 for every giant slide ticket you sell. a) what is the break-even point for these two commission plans the giant slide owner has created for you?