Hourly wages.
She worked for 75 hours and makes $9 per hour.
Multiply:

You are correct, $675 is our answer.
The normal balance of an accounts payable is credit.
So you start with $800-cr
Any debit posting will reduce that normal balance and any credit posting will increase the normal balance.
The $600 debit posting will create a $200 credit balance(800-600)
The $300 credit posting will create a $500 credit balance(300+200)
Answer: A. $500 - Credit.
It may help to figure it out if you create a t-chart and enter the amounts.
First a reflection in the y-axis
Then a translation of 3 units upwards.
I got 64,800 because you multiply 54,000 x 1.20 and that equals 64,800
17 / 6
2 5/6.
2 whole number 5/6.