step. Weighted average contribution margin per unit Next determine the formula to compute the breakeven sales in units. (Abbreviations used: Avg. = average and CM = contribution margin.) 1+=Breakevensalesinunits Determine how many of each plant stands John needs to sell to breakeven. Breakeven sales of twig stands is units. Breakeven sales of oak stands is __ units. Will this affect the number of scarves Allison needs to sell to breakeven? Explain. By charging her husband part of the craft fair entrance fees, her fixed costs will . Therefore, Allison will need to sell scarves to breakeven than before her husband decided to share her craft booths. Data table \begin{tabular}{|lrr|} \hline & \multicolumn{1}{c|}{ Twig Stands } & \multicolumn{1}{c|}{ Oak Stands } \\ \hline Sales price $ & 16.00$ & 39.00 \\ Variable cost $ & 2.00$ & 15.00 \\ \hline \end{tabular}