Arthur the Art fan bought 10 tickets that cost $150 each. Each ticket allows Arthur to attend one art exhibit at The Museum. Arthur attended the first 6 of the 10 art exhibits. He did not attend the 7th art exhibits because he was sick.

1. How much of the $1,500 in ticket revenue can The Museum record as Revenue?

2. How much of the $1,500 in ticket revenue remains in Unearned Revenue?

3. The 3 remaining art exhibits were canceled because of the COVID-19 virus. Will The Museum have to refund any of the money? Why? Or Why not?