In amazon, ratio of revenue generated by bedsheets to that of by bottles in a month is 9:11 and price of a bedsheet is Rs. 10 more than that of a bottle. Find total revenue generated by bedsheets in the month of May if 350 items (bedsheet+bottle) were sold in a day. Price of a bedsheet is 20% less than quantity of the bedsheet sold in a day (number of items sold of each type every day is same).