John is trying to decide how to divide his time between his job as a stocker in the local grocery store, which pays $7 per hour for as many hours as he chooses to work, and cleaning windows for the businesses downtown. He makes $2 for every window he cleans. John is indifferent between the two tasks, and the number of windows he can clean depends on how many hours he spends cleaning in a day, as shown in the accompanying table.Time cleaning windows (hours/day)Total number of windows cleaned0017211314416517 What is the lowest price per window that John would be willing to accept to spend 4 hours per day cleaning windows?
A. $3.50
B. $7
C. $2
D. $11
Answer: A
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The more leveraged an investment, the ________ the potential gain and the ________ the potential loss from that investment
A) greater; greater B) greater; smaller C) smaller; smaller D) smaller; greater
Which of the following is an advantage to the pollution-rights approach to environmental quality?
A. Polluters are compelled to clean up completely. B. Polluters have appropriate incentives to clean up. C. This is a method of direct government regulation. D. Compliance with legal guidelines is discretionary.
Subtract the subsidy from the minimum supply price
What will be an ideal response?
The capital stock is fixed at 5 units, the price of capital is $60 per unit, and the price of labor is $20 per unit. 
Based on the above, how much does the 12th unit of output add to the firm's total variable cost?
A. $5 B. $4 C. $2.50 D. $20 E. $40