A machine will last for only two more years. The maintenance cost is $5,000 a year. You can buy a new machine that costs $22,500 and can last for 10 years. The new machine requires maintenance costs of only $1800 a year for the first 5 year and then the maintenance costs increases to $2200 a year for the remaining years. If the discount rate is 6% per year, should you replace the machine

As a result of a labeling mistake at the chemical factory, a farmer accidentally sprays weedkiller rather than fertilizer on half her land. as a result, she loses half of her productive farmland. if the property of diminishing returns applies to all factors of production, she should expect to seea. a decrease in the marginal productivity of her remaining land and an increase in the marginal productivity of her labor. b. an increase in the marginal productivity of her remaining land and an increase in the marginal productivity of her labor. c. an increase in the marginal productivity of her remaining land and a decrease in the marginal productivity of her labor. d. a decrease in the marginal productivity of her remaining land and a decrease in the marginal productivity of her labor.