A student wants to include a visual aid in her science presentation on global warming. Which visual aid is the best one for her to use? Four drawings of earth. First is earth shaped like a lightbulb. Second is earth burning. Third is a pair of hands holding the earth. Fourth is the earth wearing a water bottle and scarf, with a thermometer and pills nearby.

A map of earth titled 1999 to 2008 Mean temperatures. The map shows temperature anomalies in degrees centigrade.

A graphic titled 7 day forecast showing 7 days in separate boxes with icons for different types of weather and low and high temperatures for each day.

The market yield on spice grills' bonds is 15%, and the firm's marginal tax rate is 33%. what is their shareholders' required return if the equity risk premium is 4%?

The gomez company, a merchandising firm, has budgeted its activity for december according to the following information: • sales at $500,000, all for cash. • merchandise inventory on november 30 was $250,000. • the cash balance at december 1 was $20,000. • selling and administrative expenses are budgeted at $50,000 for december and are paid for in cash. • budgeted depreciation for december is $30,000. • the planned merchandise inventory on december 31 is $260,000. • the cost of goods sold represents 75% of the selling price. • all purchases are paid for in cash. the budgeted cash disbursements for december are:

Consider how health insurance affects the quantity of health care services performed. suppose that the typical medical procedure has a cost of $160, yet a person with health insurance pays only $40 out of pocket. her insurance company pays the remaining $120. (the insurance company recoups the $120 through premiums, but the premium a person pays does not depend on how many procedures that person chooses to undergo.) consider the following demand curve in the market for medical care. use the black point (plus symbol) to indicate the quantity of procedures demanded if each procedure has a price of $160. then use the grey point (star symbol) to indicate the quantity of procedures demanded if each procedure has a price of $40. q d at p=$160 q d at p=$40 0 10 20 30 40 50 60 70 80 90 100 200 180 160 140 120 100 80 60 40 20 0 price of medical procedures quantity of medical procedures demand if the cost of each procedure to society is truly $160, the quantity that maximizes total surplus is procedures. economists often blame the health insurance system for excessive use of medical care. given your analysis, the use of care might be viewed as excessive because consumers get procedures whose value is than the cost of producing them.