The president of the Micro Brewing Corporation asks you, as the company economist, to forecast changes in consumer beer purchases associated with a proposed price change. You conduct a survey and find that if the price of a six-pack increases from $5.50 to $7.50, the quantity demanded will decrease from 2200 units to 1800 units a month. Should the Micro Brewing Corporation raise its price? Explain the economic basis for this recommendation to the president