A firm had a income of \(Rs. 48648648\) in \(2021\) and \(Rs. 50000000\) in \(2022\)
a. Find the increase in income. \(= Rs.\)
[Note: Give answer in Indian decimal system]
b. Write the increase in International decimal system. \(=Rs. \)
c. Estimate the total income in both the years. \(Rs. =\)
[Note: Give answer without commas]