Ramesh is on a 9 day trip with his college mates. He had decided to keep his average expense for 9 days at Rs. 215. However, at the end of eighth day he realized that his expenses on first eight days were Rs. 188, Rs. 194, Rs. 218, Rs. 220. Rs. 180, Rs. 204, Rs. 208. and Rs. 206 respectively. How much should he spend on the 9^th day to ensure that he meets his targeted average expense? (in Rs.)