A firm uses 80 hours of labor and 6 units of capital to produce 10,000 gadgets per day. Labor's marginal product is 4 gadgets per hour and the marginal product of capital is 20 gadgets per hour. Each unit of labor costs $8 per hour and each unit of capital costs $50 per hour. If the firm wants to continue producing 10,000 gadgets per day at the lowest possible cost, it should
A. continue using 80 hours of labor and 6 units of capital.
B. use less of both inputs.
C. use more labor and less capital.
D. use more capital and less labor.

Richard is one of the leading college basketball players in the state of florida. he also maintains a good academic record. looking at his talent and potential, furman university offers to bear the expenses for his college education.

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.)

Sports leave thousands of college athletes with little time for their studies. this is an example of