Ruth Lewis is the advertising manager for Sunland Shoe Store. She is currently working on a major promotional campaign. Her ideas include the installation of a new lighting system and increased display space that will add $20,880 in fixed costs to the $250,560 currently spent. In addition, Ruth is proposing that a 10% price decrease ($30 to $27) will produce a 20% increase in sales volume (23,200 to 27,840). Variable costs will remain at $12 per pair of shoes. Management is impressed with Ruth's ideas but are concerned about the effects that these changes will have on the break-even point and the margin of safety. Calculate the current break-even point in units, and compare it with the break-even point in units if Ruth's ideas are used. Current break-even point Break-even point if Ruth's ideas are used units units, eTextbook and Media Question Part Score Calculate the margin of safety ratio for current operations and after Ruth's changes are introduced. (Round final answers to 2 decimal places, e.g. 15.25%) --/1