Original sentence: According to AFFT, the Treasury Department has refused to release for peer review the detailed figures and methodology used in the tax panel analysis.According to its supporters, the FairTax would broaden the tax base to include all 300 million Americans and an estimated 30 million to 40 million foreign tourists and visitors.In a study paid for by AFFT, economists at Boston University concluded that the FairTax would reward low-income households with 26.3% more purchasing power, middle-income households with 12.4% more purchasing power, and high-income households with 5% more purchasing power.Some believe the plan would have advantages with taxing illegal activity, taxing illegal immigrants, and cost transparency for funding the federal government.Supporters also claim that the FairTax would be essentially tax-free on mortgage interest and donations; however, some law makers have concerns about losing social incentives on home ownership and charitable contributions.This would allegedly increase the government's tax base ($11.467 trillion compared with $9.706 trillion of taxable income).. A study on marginal and average tax rates concluded that the FairTax would reduce most households’ average lifetime tax rates and, often, by a lot
Edited sentence: Economists at Boston University found that the FairTax would reward low-income households with 26.3% more purchasing power, middle-income households with 12.4% more purchasing power, and high-income households with 5% more purchasing power.The FairTax would be essentially tax-free on mortgage interest and donations; however, some law makers have concerns about losing social incentives on home ownership and charitable contributions.The FairTax would dramatically broaden the tax base to include all 300 million Americans and an estimated 30 million to 40 million foreign tourists and visitors.The Treasury Department has refused to release for peer review the detailed figures and methodology used in the tax panel analysis.The plan is expected to have advantages with taxing illegal activity, taxing illegal immigrants, and cost transparency for funding the federal government.This would more than double the federal government's tax base ($11.467 trillion compared with $9.706 trillion of taxable income).. A study on marginal and average tax rates found that the FairTax would reduce most households’ average lifetime tax rates and, often, by a lot