Accounting Help. Thanks!

Please help me find margin of safety ratio and total increase in sales required. I have already found most of the answers. Thank you

Oak Bucket Co., a manufacturer of wood buckets, had the following data for 2013. Sales Sales price Variable costs Fixed costs 2,000 units $43.00 per unit $15.91 per unit $19,530 Your answer is correct. What is the contribution margin ratio? Contribution margin ratio 1 LINK TO TEXT VIDEO: SKILL-BUILDING Your answer is correct. What is the break-even point in dollars? Break-even point 31,000 Your answer is partially correct. Try again. What is the margin of safety in dollars and as a ratio? (Round ratio to 2 decimal places, e.g. 12.25%.) 55,000 Margin of safety Margin of safety ratio LINK TO TEXT VIDEO: SKILL-BUILDING x Your answer is incorrect. Try again. If the company wishes to increase its total dollar contribution margin by 41% in 2014, by how much will it need to increase its sales if all other factors remain constant? (Round answer to 0 decimal places, e.g. 2,520.) Total increase in sales required