Martinez, Inc. produces stereo speakers. The selling price per pair of speakers is $1,000. The variable cost of production is $230 and the fixed cost per month is $50,743. For November, the company expects to sell 126 pairs of speakers. Calculate expected profit. Expected profit $enter expected profit in dollars Calculate the contribution margin ratio, Break-even sales, Expected sales and margin of safety in dollars. (Round contribution margin ratio and intermediate calculations to 2 decimal places, e.g. 15.25 and all other answers to 0 decimal places, e.g. 5,275.) Contribution margin ratio enter contribution margin ratio rounded to 2 decimal places Break-even sales $enter break-even sales in dollars rounded to 0 decimal places Expected sales $enter expected sales in dollars rounded to 0 decimal places Margin of safety $enter margin of safety in dollars rounded to 0 decimal places