The cost of controlling emissions at a firm goes up rapidly as the amount of emissions reduced goes up. here is a possible model: c(x, y) = 7,000 + 500x2 + 50y2 where x is the reduction in sulfur emissions, y is the reduction in lead emissions (in pounds of pollutant per day), and c is the daily cost to the firm (in dollars) of this reduction. government clean-air subsidies amount to $500 per pound of sulfur and $100 per pound of lead removed. how many pounds of pollutant should the firm remove each day in order to minimize net cost (cost minus subsidy)?

you will have $2593.74 in 10 years if you set aside $1,000 at 10%

you will have $9321.91 in 20 years if you set aside $2000 at 8%

you will have $1469.32 in 5 years if you set aside $1000 at 8%

you will have $1296.87 in 10 years if you set aside $500 at 10%

you will have $239.66 in 15 years if you set aside $100 at 6%

you will have $4660.96 in 20 years if you set aside $1000 at 8%

in terms of experimental research, mcdonald’s charging different prices in the two cities relates to

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