The over time rate of pay is $22.5 overtime per hour. While the total gross pay at 43 hours is 667.5 dollars.
a. The regular salary = $2600 monthly
The annual salary = $2600 * 12
= 31200 dollars.
The weekly salary in a year
We have 52 weeks in a year
Weekly salary = 31200/52
= 600 dollars.
She works for 40 hours weekly.
Pay per hour = 600/40
= 15
The overtime pay per hour that Rebecca receives

= 15 * 1.5
= 22.5
Therefore Huang's overtime pay is 22.5 dollars.
b. If she works 43 hours during the week
15 dollars * 40 hours = 600 dollars
43-40 = 3 overtime hours
3 x 22.50 per hour = 67.5 dollars.
The total gross wages = 600 dollars + 67.5 dollars
= 667.5 dollars.
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