has a reference angle of 30 degrees.
- Quadrant I: 30 degrees
- Quadrant II: 150 degrees
- Quadrant III: 210 degrees
- Quadrant IV: 330 degrees
The answer to this graph is (4,5)
Mode
The number that occurs most often
Discount on shirt,
.
So, Price payed for shirt is :

Discount on shorts, 
Discounted price :

Therefore, discounted price of shirt and shorts are $14.9625 and $25.165.
Hence, this is the required solution.