Gabriella Sax believes that customers in her dress shop find certain prices very appealing. Between these price levels, all prices are seen as roughly the same and price cuts in these ranges generally do not increase the quantity sold (i. e., the demand curve tends to drop vertically within these price ranges). With this in mind, Gabriella prices her items as close as possible to the top of each such price range. This is

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.)

Suppose that a monopolistically competitive restaurant is currently serving 260 meals per day (the output where mr

If you miss two payments on a credit card what is generally the penalty