How will President Reagan's proposal affect me? That was the question millions of Americans were asking themselves last week. The accounting firm of Coopers & Lybrand did a study for TIME based on computer models of how some typical taxpayers fare under current laws and how they would do if the President's program is adopted. The results:
A family of four in Moline, Ill., with a total income of $25,000. They now pay $1,611 in state and local taxes and $5,400 for interest on their mortgage. The family has charity donations of $500 and no...