If Cat and Joe stay in Kamloops instead of going to Bullarama, there is a 30% chance they will have 125 customers, a 45% chance they will have 100 customers, and a 25% chance they will have only 75 customers. Further assume that if Cat and Joe go to Bullarama, there is a 35% chance they will have no onsite competitors, a 45% chance they will have one onsite competitor, and a 20% chance they will have two onsite competitors. What is the net dollar advantage or disadvantage of attending the Bullarama event?