The pie chart given below shows the price of 6 different articles. The total price of all these 6 articles is Rs. 5760. The price of a particular article is shown in terms of degree with respect to the total price of all these 6 articles.

P1 = The difference between the average price of K and L and the average price of J and N.

P2 = The total price of J, M, N, and O.
What is the value of (P1 + P2)?