10. Jay and Bob are going to go to the Austin Rodeo. On sale are wristband for the attractions and concert tickets. They can purchase wristbands for the Fairgrounds, the Rodeo, the BBQ cookoff, or the Carnival. The concerts they are considering are Melissa Etheridge, Boys II Men, Kevin Fowler and Robert Earl Keen. Jay will be purchasing a wristband and a concert ticket, while Bob will be purchasing a wristband or a concert ticket. How many choices does Jay have and how many choices does Bob have?