Comprehension Passage

Direction: Study the table carefully and answer the following questions.

The following table shows the total expenditure of 6 different people and the ratio of Income and saving in them.

Name of the People	Expenditure of the People(In Rs)	The ratio of Income and Saving
Abhishek	5000	7 : 3
Abhinav	7000	5 : 3
Pratik	4000	6 : 5
Gaurav	6000	8 : 3
Mukesh	10000	9 : 4
Nagesh	8000	3 : 1

What is the average of the saving of Pratik, Gaurav, Mukesh and Nagesh together?

Rs. 9000

Rs. 9900

Rs. 8900

Rs. 7700