8. Charles plans to make extra money by selling newspapers. He gets 120 kroner as a start bonus when he takes on the job, then he earns 35 kroner per newspaper he sells.

a) Set up a function for how the money Charles earns, y SEK, depends on the number of newspapers sold, x. b) Charles is offered another arrangement where he does not receive a start bonus but he instead receives SEK 40 per newspaper he sells. How many newspapers does he have to sell at least to make this more profitable?