Markum Enterprises is considering permanently adding an additional $75 million of debt to its capital structure. Markum's corporate tax rate is 30%. a. Absent personal taxes, what is the value of the interest tax shield from the new debt? b. If investors pay a tax rate of 40% on interest income, and a tax rate of 30% on income from dividends and capital gains, what is the value of the interest tax shield from the new debt? a. Absent personal taxes, what is the value of the interest tax shield from the new debt? In the absence of personal taxes, the value of interest tax shield from new debt should be $ million