Economics

The following data are for a series of increasingly extensive flood-control projects. Total Cost Per Total Benefit Per Year Year Plan A = Levees $ 10 ,000 $ 16,000 Plan B = Small Reservoir 24,000 36, 000 Plan C = Medium Reservoir 44, 000 52, 000 Plan D = Large Reservoir 72, 000 64, 000 For Plan B marginal costs and marginal benefits are Multiple Choice O $24,000 and $36,000, respectively. O $12,000 and $6,000, respectively. O $20,000 and $16,000, respectively. O $14,000 and $20,000, respectively