A business taxpayer is considering two mutually exclusive alternatives. Alternative A is to hire a tax accountant at a cost of $20,000 to research the tax law on a tax-avoidance plan. If successful, the plan would save the taxpayer $21 ,000 in taxes. The probability of success is estimated to be 75%. Alternative B is to hire a marketing firm at a cost of $18,000, whose task would be to develop a marketing plan for the taxpayer's product. If successful, the plan would reduce other advertising costs by $25,000 without affecting sales revenue. The probability of success is estimated at 80%. Which alternative should the taxpayer choose if he or she faces a tax rate of 15%