Calculate the Breakeven Market share & include formulas please

\begin{tabular}{|l|l|} \hline TOTAL DOG FOOD MARKET & $20 BILLION \\ \hline SUPERMARKET TRADE MARGIN & 25% \\ \hline BROKER'S FEE (THINK WHOLESALE MARGIN & 10% \\ \hline PRODUCTION/FREIGHT/HANDLIING & $9.00 \\ \hline SLOTTING FEES & $40,000 \\ \hline OVERHEAD & $500,000 \\ \hline HIGH ADVERTISING BUDGET & $1,500,000 \\ \hline LOW ADVERTISING BUDGET & $1,00,000 \\ \hline \end{tabular}