25. Two persons $P$ and $Q$ enter into a business. $P$ puts ₹ 14,000 more than $Q$ , but $P$ has invested for 8 months and $Q$ has invested for 10 months. If $P$ 's share is ₹ 400 more than $Q$ 's share out of the total profit of ₹ 2,000, what is the capital contributed by $P$ ?