42. a small company that shovels sidewalks and driveways has 100 homes signed up for its services this winter. it can use various combinations of capital and labor: intensive labor with hand shovels, less labor with snow blowers, and still less labor with a pickup truck that has a snow plow on front. to summarize, the method choices are: method 1: 50 units of labor, 10 units of capital method 2: 20 units of labor, 40 units of capital method 3: 10 units of labor, 70 units of capital if hiring labor for the winter costs $100/unit and a unit of capital costs $400, what is the best production method?