What tradeoffs does the government face in choosing how to structure cash transfers to low-income individuals? After answering this question based on the general principles, please consider the U.S. Earned Income Tax Credit (EITC) and Transitional Aid for Needy Families (TANF) specifically; in particular, please compare the effects of each of these programs on economic efficiency and vertical equity. What does the empirical evidence show that is relevant to these tradeoffs?