Manufacturing cost is $160 per set, equally divided between materials and labor. inventory storage cost is $5 per unit per month. a shortage of sets results in lost sales and is estimated to cost an overall $20 per unit per month short. the inventory on hand at the beginning of the planning period is 160 units. ten labor hours are required per videodisc player. the workday is eight hours. 30 workers at january. assume 22 working days each month. using the level strategy, calculate the total cost for february.

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.