Hi, Ma'am/Sir! Can someone help me to answer this True or False questions? I need an explanation on every question. Thank you! :>

6. Nonconvertible preferred stock is excluded from consideration in the determination of basic earnings per share during periods where dividends on preferred stock are declared. 7. Retroactive treatment of common stock dividends and splits is required for all periods' earnings per share data presented in the financial statements. 8. If preferred stock dividends are cumulative, the full amount of the annual dividends should be deducted from net income in the determination of basic earnings per share, whether or not the dividends have been declared.9. Any security whose exercise or conversion would increase earnings per share or reduce loss per share are referred to as antidilutive securities. 10. When a convertible bond is included in the determination of diluted earnings per share, net income is adjusted by adding back the interest expense, and the number of shares of common stock outstanding is increased by the number of shares that would have been issued upon conversion