A book store shopkeeper gives books on rent for reading. He has variety of books in his store related to fiction , stories and quizzes etc. He takes a fixed charge for the first two days and an additional charges for subsequent day . Amruta paid Rs 22 for a book and kept for 6 days, while Radhika paid Rs 16 for keeping the books for 4 days.

Assume that the fixed charge be rs x and additional charge (per day) by Rs y.
Based on the above information answer and four of the following questions:
What is the total amount paid by both, if both of them have kept the book for 2 more days ?

Options

A. Rs. 35
B. Rs. 52
C. Rs. 50
D. Rs. 58