Alexis wants to buy $500 worth of new clothes before school starts. she decides to have a garage sale to earn the money for the clothes. she hopes to sell her comic book collection for $200, stuffed toys for $100, a bicycle for $50, and a few knicknacks from her room for $250. the probabilities that her neighbors want to buy the stuff alexis is selling are distributed as shown in the table. p(x) probability comics toys bikes knicknacks what is alexis's expected garage sale income, and how much more would she need to earn to break even?