ANSWER
a. $2394.23
b. $4788.46
Step-by-step explanation
We have that Jack was hired as a computer analyst and his annual salary is $124,500.
a. If he chooses to be paid weekly, then to find his weekly pay, we have to divide the annual salary by 52 (since there are 52 weeks in a year).
So, his weekly pay is:

b. If he chooses to be paid biweekly, then to find his biweekly pay, we have to divide the annual salary by 26.
So, his biweekly pay is:
