The table given below shows the cost price and selling of four different articles.
|
Articles |
Cost price |
Selling price |
|
J |
650 |
750 |
|
K |
370 |
450 |
|
L |
450 |
650 |
|
M |
590 |
650 |
What is the difference between the average selling price and average cost price of all the articles?
1
110
2
160
3
710
4
140