Because of the free-rider problem,
a. poverty has increased.
b. the federal government spends too many resources on national defense and not enough resources on medical research.
c. private markets tend to undersupply public goods.
d. fireworks displays have become increasingly dangerous.

You are thinking of making your mansion more energy efficient by replacing some of the light bulbs with compact fluorescent bulbs, and insulating part or all of your exterior walls. each compact fluorescent light bulb costs $4 and saves you an average of $2 per year in energy costs, and each square foot of wall insulation costs $1 and saves you an average of $0.20 per year in energy costs.† your mansion has 150 light fittings and 3000 sq ft of uninsulated exterior wall. to impress your friends, you would like to spend as much as possible, but save no more than $750 per year in energy costs (you are proud of your large utility bills). how many compact fluorescent light bulbs and how many square feet of insulation should you purchase? how much will you save in energy costs per year? (if an answer does not exist, enter dne.)

phillips, inc. had the following financial data for the year ended december 31, 2019. cash $ 41,000 cash equivalents 75,000 long term investments 59,000 total current liabilities 149,000 what is the cash ratio as of december 31, 2019, for phillips, inc.? (round your answer to two decimal places.)

As a general rule, when accountants calculate profit they account for explicit costs but usually ignorea. certain outlays of money by the firm.b. implicit costs.c. operating costs.d. fixed costs.