Which One of the Following Is an Example of a Nonprogrammed

Which one of the following is an example of a nonprogrammed decision?

A) determining how products will be arranged on the shelves of a supermarket
B) deciding how to handle customer complaints and product returns
C) identifying and selecting a new supplier of raw materials
D) evaluating the performance of a job applicant on a job sample test
E) writing an email requesting one's senior for a few days off