Question 12 In January, 2,500 quarts of ice cream are sold in Boston at \( \$ 2.50 \) a quart. In February, 3,000 quarts are sold at \( \$ 2.00 \) a quart. This change in quantity sold and price may have been caused bythe decision by Boston ice cream sellers to eliminate discount coupons.the introduction of labor-saving automated ice cream-packing machinery.a reduction in wages in the Boston area.the release of a medical study showing that ice cream consumption improves mental health.