An article is bought for Rs. 620 and sold for Rs. 780. A second article is bought for Rs. 575 and sold for Rs. 437. Similarly, a third article is bought for Rs. 805 and sold for Rs. 883. Find -
i) The total C.P of the three articles.
ii) The total S.P of the three articles.
iii) The profit or loss on the whole three articles