One of two alternatives will be selected to reduce flood damage In a rural community In central Arizona. The estimates assoclated with each alternative are avalable. Use B/C analysis at a discount rate of 9% peryear over a 20 year study period determine which alternative should be selected. For analysis purposes only, assume the flood damage would be prevented In years 3, 10, and 18 of the study perlod. initial Cost, $ Annual Maintenance, $/Year Reduced Flood Damage, $ Retention Pond 840,000 92,000 200,000 Channel 1,200,000 30,000 600,000 The B/C ratio is The alternative that should be selected is the channel