Answer
Profit of Amy = (229)(90) - 9(90)
=20610 - 360
=20250
Profit of Sonia (229)(95) - 4(45)
=1035-180
=10125
The answer and procedures of the exercise are attached in the following images.
Explanation
Please consider the data provided by the exercise. If you have any question please write me back. All the exercises are solved in the following images.