Last year, 1,000 cases of cough syrup were sold at $10; this year, 1,200 cases were sold at $12.The most probable interpretation of these data is that the

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Quizplus · Accepted Answer

The increase in sales from 1,000 to 1,200 units at a higher price of $12 indicates a shift in the demand curve to the right, meaning that consumers are willing to buy more at a higher price. There is no indication that there has been a shift in the supply curve.

Last Year, 1,000 Cases of Cough Syrup Were Sold at $10;