A large electric utility company spews million tons of greenhouse gases (mostly carbon dioxide) into the environment each year. This company has committed to spending $ billion in capital over the next five years to reduce its annual emissions by %. More will be spent after five years to reduce greenhouse gases further. a. What is the implicit cost of a ton of greenhouse gas? b. If the United States produces billion tons of greenhouse gases each year, how much capital must be spent to reduce total emissions by % over the next five years based on your answer in Part (a)?

Auniversity spent $1.8 million to install solar panels atop a parking garage. these panels will have a capacity of 400 kilowatts (kw) and have a life expectancy of 20 years. suppose that the discount rate is 20%, that electricity can be purchased at $0.10 per kilowatt-hour (kwh), and that the marginal cost of electricity production using the solar panels is zero. hint: it may be easier to think of the present value of operating the solar panels for 1 hour per year first. approximately how many hours per year will the solar panels need to operate to enable this project to break even? a. a.3,696.48 b.14,785.92 c.9,241.20 if the solar panels can operate only for 8,317 hours a year at maximum, the project (would/would not)break even?

Which term refers to the cost that motivates an economic decision

Eileen's elegant earrings produces pairs of earrings for its mail order catalogue business. each pair is shipped in a separate box. she rents a small room for $150 a week in the downtown business district that serves as her factory. she can hire workers for $275 a week. there are no implicit costs. what is the marginal product of the second worker?