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 How many hours a day should John spend cleaning windows?
A. 2
B. 3
C. 4
D. 1
Answer: A
Economics
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Economics