This year, State A raised revenues by increasing its general sales tax rate from 5 percent to 6 percent. Because of the increase, the volume of taxable sales declined from $800 million to $710 million. In contrast, State Z raised revenues from its 5 percent sales tax by expanding the tax base to include certain retail services. The volume of services subject to tax was $50 million. Compute the additional revenue rose by State A and by State Z.