Tаble: Cоsts аnd Benefits оf Cleаning Up Pоllution Levels of Clean Up Total Cost of Clean Up ($) Total Benefit of Clean Up ($) 0 0 0 1 7 45 2 37 80 3 92 105 4 172 125 5 272 140 The table above shows the total cost and the total benefit of cleaning up pollution in a community.Which of the following cleanup levels is socially optimal?