riverbend inc. received a $367500 dividend from stock it held in Hobble corporation. riverbends taxable income is $2450000 before deducting the dividends received deduction, a $60500 NOL carryover, and a $138,000 charitable contribution. a. what is riverend's deductible drd assuming it owns 10 percent? answer 183750 b. assuming the facts in part a what is riverbends marginal tax rate on the dividend?