Data analytics has four broad categories that range in value and complexity. Each of the four category types strives towards raising questions that assist decision makers in their efforts to gather relevant data. Which of the following is an example of a question answered by descriptive analytics?

Question $9$ options:

$1)$

How would hiring additional staff impact the bonus potential of existing employees?

$2)$

What are the selling price trends of a single product across the United States?

$3)$

Why did the direct material cost increase over the past year?

$4)$

Why have our customers stopped ordering a certain category of products?