Country M levies a 10 percent excise tax on the retail price of any automobile purchased in the country. This year, the aggregate purchase price subject to tax was $7.6 million, so current year revenue was $760,000. Country M plans to increase the tax rate next year to 11 percent. Required: a. Compute next year's excise tax revenue assuming next year's tax base equals the current year base. b. Compute next year's excise tax revenue assuming next year's tax base increases to $8.9 million. c. Compute next year's excise tax revenue assuming next year's tax base decreases to $6.6 million