The small boatyard White Kayaks built 156 epoxy kayaks last year. Each of these requires 12 kg of epoxy, purchased in 6 kg barrels at $ 170 each, with a freight cost of $ 18 per shipment plus $ 1 per kg . The annual carrying cost is estimated to be 20 % of the value. a) If the purchase policy is to buy 20 barrels each time, how much time can be spent on administrative work if the order quantity should be considered optimal? The boat-builder charges $ 25 / hour . b) If time spent is 30 minutes, what would be the optimal order quantity?

In its 2016 annual report, caterpillar inc. reported the following (in millions): 2016 2015 sales $38,537 $47,011 cost of goods sold 28,309 33,546 as a percentage of sales, did caterpillar's gross profit increase or decrease during 2016? select one: a. gross profit increased from 26.8% to 28.6% b. gross profit decreased from 28.6% to 26.5% c. gross profit increased from 71.4% to 73.2% d. gross profit decreased from 73.2% to 71.4% e. there is not enough information to answer the question.

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.

With the slowdown of business, how can starbucks ensure that the importance of leadership development does not get overlooked?