The cost price of article X is Rs 'y + 1500', and it is marked 75% above its cost price. The profit earned on article X is Rs 1080 when a discount of 12% is given. If the cost price of article Y is Rs 'y + 600' and the selling price is 40% less than the selling price of article X, then find the profit percentage earned on selling article Y.
1
56%
2
48%
3
60%
4
68%
5
55%