A shopping mall has set up a promotion as follows. With any mall purchase, the customer gets to spin the wheel shown here. If the number I comes up, the customer wins $10. If the number 2 comes up, the customer wins $5, and if the number 3 or 4 comes up, the customer wins a discount coupon. Find the following probabilities: a- The customer wins $ 10. b- The customer wins money. c- The customer wins a coupon.