The 1-week call options on the Alibaba stock with strike prices of $185, $190, and $195 are $10, $7, and $5.5, respectively. An investor longs a butterfly spread using these three options. Specifically, he longs 100 call options with the strike price $185, shorts 200 call options with the strike price $190, and longs 100 call options with the strike price 195. What is the investor's maximum gain from this strategy

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 upper l equals ch superscript 0.40 baseline upper n superscript 0.60l=ch0.40n0.60. beginning with c = 1, a health input of $400400 per year (hequals=44) and a nutrition input of $400400 per year (nequals=44), show that the marginal product of health expenditures and the marginal product of nutrition expenditures are both decreasing. the marginal product of health expenditures when h goes from 44 to 55 is nothing, and the marginal product of health when h goes from 66 to 77 is nothing. (round your answers to three decimal places.)

Lee earns $1,482 of interest in 270 days after making a deposit of $15,200. find the interest rate.

If a society decides to produce consumer goods from its available resources, it is answering the economic question