When you enter a congested roadway: a. you are the only driver that is experiencing a negative externality from the heavy traffic
b. the opportunity cost of idling in slow tramic is the only additional cost
c. the increased use of gasoline is the only external cost incurred
d. there are mutual external costs from the slow trafic that include increased gasoline costs and more time spent on the roadway

Suppose you want to know if more technical service calls are made to homes with cable television or with satellite dish television. should you use frequencies or relative frequencies to make the comparison? why?

Emily bought 200 shares of abc co. stock for $29.00 per share on 60% margin. assume she holds the stock for one year and that her interest costs will be $80 over the holding period. ignoring commissions, what is her percentage return (loss) on invested capital if the stock price went down 10%?

T-comm makes a variety of products. it is organized in two divisions, north and south. the managers for each division are paid, in part, based on the financial performance of their divisions. the south division normally sells to outside customers but, on occasion, also sells to the north division. when it does, corporate policy states that the price must be cost plus 20 percent to ensure a "fair" return to the selling division. south received an order from north for 300 units. south's planned output for the year had been 1,200 units before north's order. south's capacity is 1,500 units per year. the costs for producing those 1,200 units follow