Country M levies a 10% excise tax on the retail price of any automobile purchase in the country. This year, aggregate purchase price subject to tax was $8 million, so current year revenue was $800,000. Country M plans to increase the tax rate nest year to 11% Compute next year's revenue assuming: Next year's tax base equals the current year base. Next year's tax base increase to $9.3 million. Next year's base decreases to $7 million.