Your firm needs a computerized line-boring machine that costs $90,000 and requires $16,000 in maintenance costs for each year of its 3-year life. after 3 years, this machine will be replaced. the machine falls into the macrs 3-year class life category. the macrs percentages for each year are 33.33 percent, 44.44 percent, 14.82 percent, and 7.41 percent, respectively. assume a tax rate of 35 percent and a discount rate of 10 percent. assume the machine can be sold for $12,000 at the end of year 3. what is the aftertax salvage value of the machine? a) $5,633b) $7,800c) $7,920d) $10,134e) $10,678

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.)