'P' and 'Q' started a business by investing Rs. 15,000 and Rs. 12,000, respectively. 'P' invested for 8 months and 'Q' invested for 10 months. 'P' also works as manager in the business for which he's entitled to receive a commission of 10% out of total profit. If at the end of the year, the business earned a total profit of Rs. 12,000, then find the total amount received by 'P'.