What is the average amount invested in raw materials from year 1997 to 1999?

₹310 lakh ₹330 lakh ₹400 lakh ₹410 lakh

₹410 lakh

Average of raw material invested from 1997 to 1999 = \(\frac{375 + 330 + 525  }{3}\) = \(\frac{ 1230  }{3}\) = 410 lakh