1. Harmony Music School wants to increase its number of students. Trish, the owner of the school, is considering an advertising campaign to promote Harmony at all local public schools. Trish has set up the following table, which illustrates the advertising cost, the resulting incremental revenue and the probability of success for each level of advertising cost Incremental revenue Advertising cost $10,000 $13,000 $18,000 $25,000 $30,000 $100,000 $120,000 $180,000 $200,000 $250,000 Probability of success 30% 25% 20% 15% 10% If Trish makes decisions based on maximizing expected value, what is the expected value of the best advertising option? a) $3,750 b) $16,600 c) $32,400 d) $134,400