Please help me with both thanks.

Use the IF Formula to enter the appropriate LETTER GRADE in the green spaces provided. Q1 The State of New York has three tax brackets as the table described below Please use the nested if function to find out the following individual's income tax \begin{tabular}{|c|c|} \hline Name & Taxable Income Income tax \\ \hline Tom & 21,381 \\ \hline Lucy & 65,000 \\ \hline Emmy & 12,573 \\ \hline Tim & 6.531 \\ \hline Jack & 3,231 \\ \hline \end{tabular} Q2 Create a Line Chart for the following Table with a Title IPS Table and labels of Units and Months