Please provide me with excel formula/calculations of 0% cannibalization & 5% cannibalization in the year 2006 and 2007 :

Mountain Man Light \begin{tabular}{l|l|l|l|} \hline Sales & n/a & n/a & n/a \\ \hline Less: Variable cost & n/a & n/a & n/a \\ \hline Contribution Margin & n/a & n/a & n/a \\ \hline \end{tabular} Estimated Market Size (in barrels) Estimated market share Total Fixed Costs and Lost Sales to Cover Incremental Fixed Costs (one-time brand awareness plus recurring SG\&A) Cannibalization (Lost CM of Mountain Man Lager) Total Incremental Fixed Costs and Lost Sales Contribution margin per barrel of Mountain Man Light Revenue per barrel Mountain Man Lager Sales Less: Variable cost - COGS Contribution Margin Less: Fixed Cost Operating Income Cannibalization Rate \# barrels produced \& sold \begin{tabular}{|r|r|r|r|r|r|r|} 0% & 0% & 0% & 0% & 0% & 5% & 5% \\ \hline 5,20,000 & 5,09,600 & 4,99,408 & 5,09,600 & 4,99,408 & 4,84,120 & 4,74,438 \\ \hline \end{tabular}