Amanufacturing company that produces a single product has provided the following data concerning its most recent month of operations: selling price $ 143 units in beginning inventory 0 units produced 2,820 units sold 2,770 units in ending inventory 50 variable costs per unit: direct materials $ 47 direct labor $ 23 variable manufacturing overhead $ 14 variable selling and administrative expense $ 11 fixed costs: fixed manufacturing overhead $ 95,880 fixed selling and administrative expense $ 19,390 the total gross margin for the month under absorption costing is:

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.