The daily wages of A and B respectively are Rs.3.50 and 2.50. When A finishes a certain work, he gets a total wage of Rs. 63, When B does the same work, he gets a total wage Rs.75. If both of them do it together what is the cost of the work?

• A. Rs. 67.50
• B. Rs. 27.50
• C. Rs. 60.50
• D. Rs. 70.50