Since Marks revenue increased when the price of apples rose

Since Mark\'s revenue increased when the price of apples rose, the demand for Mark\'s gourmet apples must be

Solution

The demand of apple must be inelasitc

Reason: In case of inelastic demand, an increase in price reduces quantity of sales by less than proportionate, leading to a less fall in sales, and thus rise in revenues because the increase in price outweighs the fall in sales.