Comprehension Passage
Directions: Answer the questions based on the information given below.
P, Q, R, S, and T are hired to complete a work. The line graph given below shows the percentage of work completed and the amount of time taken (in days) by different persons (as a pair) to complete the same work.

P, Q, R, S, and T are hired to complete a work. The line graph given below shows the percentage of work completed and the amount of time taken (in days) by different persons (as a pair) to complete the same work.
Find the time taken by person 'P', 'Q', and 'S' to complete the whole work if person 'S' had worked with an efficiency of 15.38% more than his actual efficiency? (approximately)
1
8 days
2
9 days
3
10 days
4
11 days
5
12 days