'A', 'B' and 'C' started a business together such that 'A' invested a 30% of the total capital invested by 'A', 'B' and 'C' together, 'B' invested 20% of the remaining capital and 'C' invested the rest, then find the profit share of 'C' given that the business earned a profit of Rs. 2,45,000 at the end of the year.