Brownstone 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 Brownstone 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 units of Chad Windows sold for every units of Musk Windows sold, is a ratio of That is, we think of Brownstone Windows selling a bundle of units of Chad Windows and unit(s) of Musk Windows. Chad Windows Musk Windows Total 10,000 8,000 2,000 Expected sales Revenues, $800 and $550 per unit $ 6,400,000 $ 4,800,000 Variable costs, $600 and $450 per unit $ 1,600,000 $ 1,100,000 $ 7,500,000 900,000 5,700,000 200,000 $ 1,800,000 180,000 $ 1,620,000 Contribution margin, $200 and $100 per unit Fixed costs Operating income