A person's gross salary increased from [[$ 1170 $]] QAR to [[$ 1300 $]] QAR. At the same time, the person's tax rate increased from [[$ 25 \% $]] to [[$ 28 \% $]]. (The gross salary means salary before taxes. The net salary is the salary after taxes.)

Calculate the old net salary:

Answer: QAR

Calculate the new net salary:

Answer: QAR

a) By how many QAR did the net salary increase?



The net salary increased by QAR.

b) By what percentage did the net salary increase?



The net salary increased by [[$ \% $]].