Refer to Figure 13-13. What is the area that represents the firm's profit?

Sometimes distinct patterns around a trend line can be caused by

A) poor underlying data. B) dummy variables. C) seasonal variation. D) statistical anomalies.

Smith and Jones comprise a two-person economy. Their hourly rates of production are shown below. CalculatorsPer HourComputersPer HourSmith10010Jones1206Suppose Smith and Jones begin by producing 16 computers and 0 calculators per hour. If they wish to produce 14 computers and 40 calculators per hour efficiently, then Smith should spend ________, and Jones should spend ________.

A. 30 minutes on each; 30 minutes on each B. 1 hour on computers; 40 minutes on computers and 20 minutes on calculators C. 1 hour on computers; 20 minutes on computers and 40 minutes on calculators D. 45 minutes on computers and 15 on calculators; 1 hour on calculators