What statemene below is true? Multiple Choice A shift in the sales mix from low-margin items to high-margin items will decrease total profits even though total sales increase The margin of safety percentage is equal to the margin of safety in dollars divided by total contribution margin A decrease in the number of units sold will decrease the break.even point To estimate what the profit will be at various levels of sales volume, multiply the number of units to be sold above or below the best point by the unit contribution margin