Study the given information carefully and answer the given questions. The revenue of a given railway zone was collected through Online Ticket Sales, O...

Study the given information carefully and answer the given questions. The revenue of a given railway zone was collected through Online Ticket Sales, Offline Ticket Sales, Freight, Fines-during 3 Financial Years (FY 2013-14, FY 2014-15, FY 2015-16) FY 2013-14 : Total revenue collected was 3500 crore. Fines (X crore) comprised 6 7 % 7 of the total revenue and revenue from online ticket rates was ‘X + 300’ crore. Revenue from freight was 12% more than that from offline ticket sales. FY 2014-15 : Revenue from online ticket sales increased by ₹ 25 crore over FY 2013-14. Revenue from offline ticket sales was 40% of the total revenue in FY 2014-15. Revenue from Freight and Fines was in the respective ratio of 5 : 1. FY 2015-16 : Revenue from fines in FY 2013-14 was 11 16 th of that in FY 2015-16. Revenue from online ticket sales increased by 50% over that in FY 2014-15 and that from offline ticket sales was the average of that in FY 2013-14 and 2014-15. Revenue from freight has been and will continue to increase steadily by ₹ 250 crore every financial year.

The railway zone's profit in FY 2014-15 was 12.5% of its total expenses. If the total revenue for FY 2014-15 was ₹4300 crore, what was the total expense for FY 2014-15? Calculate the total expense in ₹ crore.