Freddie has just opened the chain saw sharpening and repairing services. Freddie have had difficulties due to the following demand schedule. The first chain saw sharpening required Seven hours of work and second took 5.60 hours and third took 4.48 hours. Find how many total hours required to complete all chain saws? (Use Cumulative Approach of Learning Curves)

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.