g The marginal tax rate is the total taxes paid as a percentage of total income. the sum of all individual tax rates. the increase in taxes as a percentage of the increase in income. the average tax rate paid by both individuals and corporations.

  the increase in taxes as a percentage of the increase in income

Explanation:

"Marginal" anything in business or economics refers to rate of change. The marginal tax rate is the tax paid on the next unit of income. That is, it is ...

  the increase in taxes as a percentage of the increase in income

answer blank(1).(2); sharpe;

answer (b); /// a method of measuring the opinions of a large group of people by selecting a subset of the larger group, asking them a set of questions and then generalizing those responses;