A working partner gets his commission as 40% for being an active partner. This commission was given after donating Rs.3000 to the trust and he received Rs.6800 as his commission. Find the total profit earned by him.

12,000 15,000 17,000 20,000

20,000

40 % = \(\frac{2}{5}\) if → 2R = 6800 1R = 3400 then → 5R =5 × 3400 =  17,000 Total profits = 17,000 + 3000 = 20,000