Samuel is hired at a small sales company. His monthly pay is calculated by the equation

P = 150s + 500. In this calculation:

s = the number of sales

P = Samuel's pay in dollars.

Which of the following statements is true?

Group of answer choices

Samuel earns a base salary of $650 each month.

Samuel earns $150 for each sale he makes.

The vertical intercept is (0, 150).

Samuel earns $500 for each sale he makes.