The following is the percentage distribution of the revenue split-up of AIRTEL mobile service limited or the years 1999 and 2000.
Total revenue in any year = Revenue from local service + Revenue from STD/ISD services. (Use data from previous questions if necessary)
Find the percentage by which the total revenue from post-paid STD/ISD services in the year 2000 exceeds that of post-paid local services in the year 2000.