The bar graph given below shows the sales of two companies Cl and C2 in 5 years.

J1 = The average sale of company Cl in year Y1, Y2 and Y3.
J2 = The difference between total sale of company C1 and C2 in all the 5 years.
What is the value of (J2/J1)?

A

4

B

2

C

3

D

1