At a certain company, each employee has a salary grade s that is at least 1 and at most 5. Each employee receives an hourly wage p, in dollars, determined by the formula p = 7.50 + 0.25(s – 1). An employee with a salary grade of 5 receives how many more dollars per hour than an employee with a salary grade of 1?	Choose the correct choice from the following answers.
A) $ 0.50	B) $ 1.00	C) $ 1.25	D) $ 1.50	E) $ 1.75

Rationale: oa is definitely wrong . the answer should be c .
Answer: C