A university recently collected data for a sample of 200 business majors. One variable collected was the number of credits left to be taken before graduation. This variable could effectively be displayed using a line chart

Which of the following statements is true about safety stock?

A) It depends on the required service level. B) It must always be carried. C) It depends only on the amount of demand. D) All of the above are true. E) None of the above is true.

Quantity discounts cause companies to:

A) increase ordering costs. B) order less at a time. C) order sooner. D) increase their inventory. E) always save money.