13 5 points Which of the following statements is true? Assuming total sales do not change, a shift in the sales mix from high-margin items to low margin items will decrease the weighted average contribution margin If variable expenses per unit increase and all other factors remain the same, the contribution margin ratio will also increase The smaller the contribution margin ratio, the smaller the amount of sales required to cover a given amount of found expenses. Total dollar sales needed to reach a given target profit is computed by dividing the target profit by the contribution margin ratio. OOOO Next