Hi I need help in this question. It's a section that has two questions.

A manufacturer estimates that when x units of a particular commodity are produced, the market pricep (dollars per units) is given by the demand function p = 100e -0.04x Part 1 out of 3 a. What market price corresponds to the production of x - 150 units? The production of 150 units corresponds to a market price of $ . Round your answer to the nearest cent. Part 2 out of 3 b. How much revenue is obtained when 150 units of the commodity are produced? When 150 units are produced, there is a revenue of S Round your answer to the nearest cent. Part 3 out of 3 How much more (or less) revenue is obtained when x = 150 units are produced than when x = 100 are produced? When 150 units are produced instead of 100, the manufacturer will have $ (select) . in revenue. Round your answer to the nearest cent. It is estimated that t years from now, the population of a certain suburban community will be p (t) = 22 -- 8 t + 1 thousand. An environmental study indicates that the average daily level of carbon monoxide in the air will bec (p ) - 0.5 p +p + 58 parts per million when the population isp thousand. Part 1 out of 2 a. At what rate will the level of carbon monoxide be changing with respect to population when the population is 20 thousand people? When the population is 20 thousand people, the carbon monoxide level will be changing at the rate of parts per million per thousand people. (round to four decimal places)