\begin{tabular}{|l|l|l|} \hline Q & P & TC \\ \hline 0 & $160 & $3,000 \\ \hline 10 & $152 & $3,630 \\ \hline 20 & $144 & $3,990 \\ \hline 30 & $136 & $4,170 \\ \hline 40 & $128 & $4,260 \\ \hline 50 & $120 & $4,350 \\ \hline 60 & $112 & $4,530 \\ \hline 70 & $104 & $4,890 \\ \hline 80 & $96 & $5,520 \\ \hline 90 & $88 & $6,510 \\ \hline 100 & $80 & $7,950 \\ \hline \end{tabular} The profit-madimizing quantily occurs at and the proft-madimizing price occurs at (Since MC is in terms of Q2, solving with calculus and algebra can be messy unless you know the quadratic formula. Your table should give an exact answer.) Select one: a. Q=70,P=$104 b. Q=90,P=$88 c. Q=40,P=$128 d. Q=50,P=$120