Which of the Following Is an Example of a Job

Which of the following is an example of a job specification?

A) To be a grocery store cashier, you need to know how to work a cash register, know the rules of the store, and know basic math.
B) To be a grocery store cashier, you have to deal with the public and be able to stand on your feet for long hours.
C) A grocery store cashier assists customers in paying for their grocery items and answering questions about products.
D) A grocery store cashier is responsible for making sure items are bagged or tagged, and that all customers pay for their items.