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 L = cH^0.80 - N^0.20. Beginning with c = 1, a health input of $300 per year (H=3) and a nutrition input of $500 per year (N=5), show that the marginal product of health expenditures and the marginal product of nutrition expenditures are both decreasing.

Precision dyes is analyzing two machines to determine which one it should purchase. the company requires a rate of return of 15 percent and uses straight-line depreciation to a zero book value over the life of its equipment. ignore bonus depreciation. machine a has a cost of $462,000, annual aftertax cash outflows of $46,200, and a four-year life. machine b costs $898,000, has annual aftertax cash outflows of $16,500, and has a seven-year life. whichever machine is purchased will be replaced at the end of its useful life. which machine should the company purchase and how much less is that machine's eac as compared to the other machine's

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You've arrived at the pecan shellers conference—your first networking opportunity. naturally, you're feeling nervous, but to avoid seeming insecure or uncertain, you've decided to a. speak a little louder than you would normally. b. talk on your cell phone as you walk around. c. hold an empowered image of yourself in your mind. d. square your shoulders before entering the room.