In the 3-month period november 1, 2014, through january 31, 2015, hess corp. (hes) stock decreased from $80 to $64 per share, and exxon mobil (xom) stock decreased from $96 to $80 per share.† if you invested a total of $23,360 in these stocks at the beginning of november and sold them for $19,040 3 months later, how many shares of each stock did you buy?

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.)