A new tax proposal in the United States is getting a lot of attention. The idea is simple but very big. Some lawmakers and business leaders are talking about a plan that would remove federal income tax for people who earn less than $75,000 a year. This means many working Americans might not have to pay federal income tax at all, depending on how the plan is written and approved. Supporters say it could help middle-class families. Critics say it could create new problems for government funding. This article explains the proposal in a simple way and what it could mean for taxpayers. What Is…