Our examples in the chapter have focused on manufacturing, where the output is units of product and the inputs are manufacturing activities or costs. The concept of productivity can be applied in a variety of settings, wherever there are inputs and outputs. For example, consider LandscapeCity, a landscape design company that specializes in small landscape projects for people living in cities. Amanda Caldwell, the assistant manager, is in the process of trying to determine if productivity has been improving since she was hired 6 months ago. Because it is a design firm, labor is the only significant expense, but Amanda is unsure if the number of projects or the dollar of sales volume should be used when computing productivity. She has collected these data for sales and labor expenses for the past 6 months: Month Labor Expense Number of Projects Sales Dollars 1 $ 26,160 54 $ 22,090 2 38,400 80 23,900 3 21,392 50 30,780 4 15,194 13 20,560 5 15,926 18 23,680 6 22,592 50 23,520 Required: