50h means $50 per hour and 0.08 stands for 8% sales tax so the which means she is pay 8% of the total cost so the answer is 0.08(50h)
The tax most likely is represented by 0.08(50h), as it is the smallest amount of the expression.
50h will result in a much larger number, which is probably the actual service fee.
6.0m questions
7.8m answers