Required information [The following informotion opplies to the questions displayed below] Grady received $9,000 of Social Security benefits this year. Grady also reported salary and interest income this year. Whot amount of the benefits must Grady include in his gross income under the following five independent situations? Note: Leave no onswer blank. Enter zero if applicable. e. Grody files married seporate and reports salary of $24,200 and interest income of $800