Help solving the blank for cost accounting.

Best Windows plans to sell two different brands of windows - Chad and Musk-and budgets the following: (Click the icon to view the budgets.) Calculate the breakeven point for Best Windows in terms of (a) the number of units sold and (b) revenues. Begin by determining the sales mix. (The windows can only be sold in whole units. Enter the ratios as whole numbers.) A budgeted sales mix of is a ratio of units of Chad Windows sold for every . That is, we think of Best Windows selling a bundle of . That is, we think of Best Windows selling a bundle of unit(s) of Musk Windows. units of Musk Windows sold, units of Chad Windows and