The contribution margin per unit is the difference between the selling price and the variable cost per unit, and the contribution margin ratio is the ratio of the unit contribution margin to the selling price per unit. If the selling price and the variable cost per unit both increase 10% and fixed costs do not change, what is the effect on the contribution margin per unit and the contribution margin ratio

Monica needs to assess the slide sequence and make quick changes to it. which view should she use in her presentation program? a. outline b. slide show c. slide sorter d. notes page e. handout

In the supply-and-demand schedule shown above, at the lowest price of $50, producers supply music players and consumers demand music players.

Alarge university wanted to study the relationship between completing an internship during college and students' future earning potential. prom the same graduating class, they selected a random sample of 80 students who completed an internship and 100 students who did not complete an internship and examined their salaries five years after graduation. they found that there was a statistically higher mean salary for the internship group than for the noninternship group. which of the following interpretations is the most appropriate? a. there could be a confounding variable, such as student major, that explains the difference in mean salary between the internship and no internship groups.b. we cannot infer anything from these data since the distribution of salaries is likely right skewed.c. you cannot draw any valid conclusions because the sample sizes are different.d. more students should complete internships because having an internship produces a higher salary.