A jewelry sales person earns a base salary of $200 a week plus 25% of all of her sales over $300.

This situation could be represented by the expression:
200 + .25( x - 300)


Which of the following describes the meaning of the variable X for this situation?

A. The total amount of sales after the first $300

B. The total amount of salary earned.

C. The amount of commission earned.

D. The total amount of sales