Can i please get methods clear so i can see how its done, Thank you

Assume that the real interest rate is 2.5 percent. If the nominal interest rate on one-year note is 9 percent and on two-year note is 10.5 percent, what is the one-year nominal interest rate that is expected for Year 2? The Norma corporation has the following cash flows: Operating income $420,000 40,000 Interest paid Interest received 70,000 Dividends paid 40,000 Dividends received 60,000 If only 30 percent of dividends received are taxable, and if the applicable income tax rate is a flat 21 percent (federal), what is the firm's after tax net income