Bonita uses the periodic inventory system. For the current month, the beginning inventory consisted of 7300 units that cost $12.00 each. During the month, the company made two purchases: 3100 units at $13.00 each and 12000 units at $13.50 each. Bonita also sold 13100 units during the month. Using the average cost method, what is the amount of cost of goods sold for the month

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.