Select the correct answer. Two different antibiotics can be used to treat an infection. Treatment with antibiotic 1 is known to
be successful 80% of the time. This treatment costs $80. Antibiotic 2 is successful 90% of the time and costs $100. The two treatment plans are: Plan A: Treat with antibiotic 1. If not effective, treat with antibiotic 2. Plan B: Treat with antibiotic 2. If not effective, treat with antibiotic 1. Based on the data provided, what is the expected cost per patient under plan B? A. $100 B. $80 C. $180 D. $108
