Scenario 14-3 Mary is an organic cauliflower farmer, but she also spends part of her day as a professional organizing consultant. As a consultant, Mary helps people organize their houses. Due to the popularity of her home-organization services, Farmer Mary has more clients requesting her services than she has time to help if she maintains her farming business. Farmer Mary charges $30 an hour for her home-organization services. One spring day, Mary spends 8 hours in her fields planting $130 worth of seeds on her farm. She expects that the seeds she planted will yield $300 worth of cauliflower.Refer to Scenario 14-3. What is the total opportunity cost of the day that Farmer Mary spent in the field planting cauliflower?

Table 15-1 ​ Price (Dollars per unit) Quantity Demanded (Units) 10 0  10 5 10 10 10 15 10 20 10 25 10 30 10 35 10 40 10 45 ​ ​Refer to Table 15-1. The price and quantity relationship in the table is most likely a demand curve faced by a firm in a

Which of the following is not an argument made by critics of advertising?

Figure 15-7 ​ Graph (a) Graph (b) Refer to Figure 15-7. If the market starts in equilibrium at point Z in graph (b), a decrease in demand will ultimately lead to

Suppose a firm in a perfectly competitive market increases its output by 30 percent. As a result, the price of its output is likely to

Table 16-3Tommy’s Tie Company, a monopolist, has the following cost and revenue information. Assume that Tommy’s is able to engage in perfect price discrimination. ​ Costs Quantity  Total   Marginal Produced   Cost          Cost (Units)  (Dollars) (Dollars) Revenues Quantity                        Price                                      Total    Marginal  Demanded                                                                 Revenue   Revenue (Units)                 (Dollars per unit)                        (Dollars)   (Dollars) 0 100 – 0 170     1 140   1 160     2 184   2 150     3 230   3 140     4 280   4 130     5 335   5 120     6 395   6 110     7 475   7 100     8 575   8 95     ​ ​ ​Refer to Table 16-3. If the monopolist can engage in perfect price discrimination, what is the total revenue when 3 ties are sold?

Table 18-5The table shows the town of Driveaway’s demand schedule for gasoline. Assume the town’s gasoline seller(s) incurs a cost of $2 for each gallon sold, with no fixed cost. ​ Quantity (Gallons) Price (Dollars per gallon) Total Revenue (Dollars) 0 8 0 50 7 350 100 6 600 150 5 750 200 4 800 250 3 750 300 2 600 350 1 350 400 0 0 ​ ​Refer to Table 18-5. Suppose we observe that the price of a gallon of gasoline in Driveaway is $5; we observe as well that a particular seller’s profit is $150. Given this observation, which of the following scenarios is most likely?

Which of the following is not a key feature of monopolistic competition?

Colorectal cancer is the third most common cancer and cause of cancer related death in the United States. Which one of the following statements is true concerning colorectal cancer?

A 32-year-old man with a recent history of intravenous drug use presents to your clinic with malaise, nausea, fatigue and “yellow eyes” for the past 7 to 8 days.  Which of the following diagnostic tests would confirm the diagnosis of hepatitis B?