Question: What is the total percentage of sales for Product A across all quarters?

Options:

1. 25%
2. 30%
3. 35%
4. 40%

Correct Answer: 40%

Solution:

Total sales for Product A = 100 + 120 + 150 + 200 = 570. Total sales across all products = 1425. Percentage = (570/1425) * 100 = 40%.