Below is a bar graph illustrating the sales performance of four different products (A, B, C, and D) over a period of three months.
Bar Graph:
Product A: Month 1: 20, Month 2: 30, Month 3: 25
Product B: Month 1: 15, Month 2: 25, Month 3: 35
Product C: Month 1: 30, Month 2: 20, Month 3: 40
Product D: Month 1: 40, Month 2: 35, Month 3: 30
Question:
What is the total sales volume for each product across the three months?