Tyare Corporation had the following inventory balances at the beginning and end of May: May 1 May 30
Raw materials $ 26,500 $ 32,000
Finished Goods $ 76,000 $ 68,000
Work in Process $ 14,500 $ 16,654
During May, $59,500 in raw materials (all direct materials) were drawn from inventory and used in production. The company's predetermined overhead rate was $12 per direct labor-hour, and it paid its direct labor workers $15 per hour. A total of 320 hours of direct labor time had been expended on the jobs in the beginning Work in Process inventory account. The ending Work in Process inventory account contained $7,150 of direct materials cost. The Corporation incurred $42,300 of actual manufacturing overhead cost during the month and applied $40,200 in manufacturing overhead cost.
The raw materials purchased during May totaled:

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.