Ellie and Jasmine have been friends for years and it has been a tradition of buying each other hockey tickets for their birthdays. Every ticket number gets entered into a big draw at each game. Low and behold the seat number Ellie bought for Jasmine was the big winner of $23 000. Is the prize Jasmine's to keep? Does she have to share the prize with Ellie? Is the prize Ellie's to keep? Explain what factors go into your decision.