In this problem, demonstrate your knowledge of percentage rates of change of an entire demand function (HINT: %?Q = EP•%?P + EY•%?Y). You have found that the price elasticity of motor control devices at Allen-Bradley Corporation is -2, and that the income elasticity is a +1.5 . You have been asked to predict sales of these devices for one year into the future. Economists from the

Conference Board predict that income will be rising 3% over the next year, and AB's management is planning to raise prices 2%. You expect that the number of AB motor control devices sold in one year will:
a. fall .5%.
b. not change.
c. rise 1%r.
d. rise 2%.
e. rise .5%.

e