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b. Least-Cost solution: What is the least cost at which the 30% abatement level could be achieved? Complete the following table to indicate how much each plant would abate and the costs of this abatement using least-cost methods. ( 20 points) Problem 2 The state of Tennessee has decided to hire you to be the chief policy analyst for their new carbon dioxide (CO2) abatement program. As a test case, Tennessee has decided to pursue regulatory approaches to controlling CO2 in Knox County, where CO2 emissions primarily come from local electricity generation. There are three power plants in Knox County, and each has submitted their estimated abatement costs for CO2. Plant 2: Gas Plant releasing 90,000 tons of CO2 /year Knox county wants to reduce CO2 emissions by 1,569,000 tons per year (approximately a 30% reduction). They are looking at alternative approaches to achieving this goal, and are interested in comparing the costs of command-and-control to the least-cost solution to achieving this abatement level