What is the correct statement about regressive taxation? O A. Your federal income tax is regressive.

B. The sales tax you pay when you fill your car up with gas is regress

You're paying a regressive tax if you pay the same percentage of

O c. income in state income tax as a person who makes four times as

you.

OD. A rental fee to use the Internet at a coffee house is a regressive t

Suppose life expectancy in years (l) is a function of two inputs, health expenditures (h) and nutrition expenditures (n) in hundreds of dollars per year. the production function is upper l equals ch superscript 0.40 baseline upper n superscript 0.60l=ch0.40n0.60. beginning with c = 1, a health input of $400400 per year (hequals=44) and a nutrition input of $400400 per year (nequals=44), show that the marginal product of health expenditures and the marginal product of nutrition expenditures are both decreasing. the marginal product of health expenditures when h goes from 44 to 55 is nothing, and the marginal product of health when h goes from 66 to 77 is nothing. (round your answers to three decimal places.)