please help me solve table 1 a. and even two question of table b.

\begin{tabular}{|c|c|c|c|c|c|} \hline \multicolumn{6}{|c|}{\begin{tabular}{l} Dulldup Sperta inc \\ Forvasted Sales \\ For the Yew Ended December 31, 2021 \end{tabular}} \\ \hline & 91 & Q2 & a1 & O4. & Total \\ \hline sin5 & Bracos & Whoso & 3400 & Siet 000 & stibioo \\ \hline \end{tabular} \begin{tabular}{|c|c|c|c|c|c|} \hline \\ \hline & 01 & a2 & ai & at & Total \\ \hline Saln: & s. & 8 & 1 & i. & \\ \hline & i & is & 1 & 1. & 1. \\ \hline & 01 & 4 & 6 & is & 1 \\ \hline \end{tabular} \begin{tabular}{|c|c|c|c|c|c|c|c|c|c|c|} \hline & & the Ye & & eipte & 31,2021 & & & & & \\ \hline & a) & & a) & & ai & & a4 & & Toted & \\ \hline Consilei: & & 7 & Stioven & 8 & 10004 & & s.145400 & C. & Sirision & \\ \hline Cinertcolfotons exw & 2411 & & 569? & & exare & 2 & & & (2m) & 4 \\ \hline & 52504 & 8. & Sicsess & 3. & & 76 & & & & 7 \\ \hline & 5544 & 6 & & 8 & 5316 & 7 & 51163 & & & 8 \\ \hline & 130tes & 7 & 5243006 & 36 & s313es. & & 120811 & 6 & (607415. & x \\ \hline \end{tabular} \begin{tabular}{|c|c|c|c|c|c|} \hline \multicolumn{6}{|c|}{\begin{tabular}{l} Dulldup Sperta inc \\ Forvasted Sales \\ For the Yew Ended December 31, 2021 \end{tabular}} \\ \hline & 91 & Q2 & a1 & O4. & Total \\ \hline sin5 & Bracos & Whoso & 3400 & Siet 000 & stibioo \\ \hline \end{tabular} \begin{tabular}{|c|c|c|c|c|c|} \hline \\ \hline & 01 & a2 & ai & at & Total \\ \hline Saln: & s. & 8 & 1 & i. & \\ \hline & i & is & 1 & 1. & 1. \\ \hline & 01 & 4 & 6 & is & 1 \\ \hline \end{tabular} \begin{tabular}{|c|c|c|c|c|c|c|c|c|c|c|} \hline & & the Ye & & eipte & 31,2021 & & & & & \\ \hline & a) & & a) & & ai & & a4 & & Toted & \\ \hline Consilei: & & 7 & Stioven & 8 & 10004 & & s.145400 & C. & Sirision & \\ \hline Cinertcolfotons exw & 2411 & & 569? & & exare & 2 & & & (2m) & 4 \\ \hline & 52504 & 8. & Sicsess & 3. & & 76 & & & & 7 \\ \hline & 5544 & 6 & & 8 & 5316 & 7 & 51163 & & & 8 \\ \hline & 130tes & 7 & 5243006 & 36 & s313es. & & 120811 & 6 & (607415. & x \\ \hline \end{tabular}