5. For the sake of this exercise, let's accept interpersonal comparisons of utilityr based on identical curves of the marginal utility of income. Let's also assume that the sum of utility lost due to income taxation is to be as small as possible. Now consider Mrs. Rich and Mrs. Poor, with income levels that are in line with surnames. {a} Under the assumptions detailed above, is it true [or false] that only Rich should be taxed [unless the government wants so much tax revenue that Rich's income is driven down to Poor's}? 1 point