In which year, there has been a maximum percentage increase in the amount invested in raw materials as compared to the previous year?

A. 1996

B. 1997

C. 1998

D. 1999

Answer: Option A

Solution(By Examveda Team)

Percentage increase in year 1996
= $$\frac{225 - 120}{120}$$   × 100 = 87.5%
Percentage increase in year 1997
= $$\frac{375 - 225}{225}$$   × 100 = 67%