Let the total expenditure be Rs. x crores.
Then, 17.5% of x = 2.45
x = 14.






Total expenditure = Rs. 14 crores.
and so, the total expenditure on advertisement, taxes and Research and Development
= Rs. [(15 + 10 + 5)% of 14] crores
= Rs. [30% of 14] crores
= Rs. 4.2 crores.