BMX Company engaged in a current-year transaction that generated a $20,000 cash inflow. Which of the following statements is false? If the cash inflow is not taxable income, the current-year tax cost of the transaction is zero. None of these choices are false. If the cash inflow is taxable income and BMX's marginal tax rate is 35%, the tax cost of the transaction is $7,000. If the cash inflow is taxable income and BMX's marginal tax rate is 25%, the tax cost of the transaction is $5,000.