The line chart given below shows the production of bike and truck by five companies L, M, N, O and P.

Which of the following statement is correct?
I. The ratio of production of bike to the production of truck by company M are 7 : 4.
II. The difference between average of production of bike and truck by all companies is 10.

A

Neither I nor IT

B

Only II

C

Only I

D

Both I and II