Read the data and answer the following questions. The bar graph shows the monthly income of Uma, Pallavi and Sonia and line graph shows the percentage...

Read the data and answer the following questions. The bar graph shows the monthly income of Uma, Pallavi and Sonia and line graph shows the percentage of monthly expenditure of these people. Each of them deposits their saving in a bank on which they get awarded with a credit card (silver and platinum) of the bank. In silver credit card – deposit amount is less than Rs 21000, credit limit is sum of half of the salary and 5% of the saving while late payment is 5% of the amount due. In platinum credit card – deposit amount is more than Rs 21000, credit limit is sum of 3/4th of the salary and 25% of the saving while late payment is 3% of the amount due.
Note: (i) Amount payable to bank = cash withdrawn + expense from credit limit + late payment penalty (5% if applicable). (ii) Cashback of 5% is given on any transaction except cash withdrawal. (iii) Payment must be cleared the next month; otherwise, penalty applies.
Given the following data:

Calculate the difference between the credit limits of Uma and Pallavi (in Rs).