Rusty cheats his friend by selling the bike at a price equal to its Mark Price but the cost of bike is Rs. 25000 and Mark Up by 25%. If Rusty get the discount of 10%. Find the percentage of profit earned by Rusty when he cheats his friend.
1
25%
2
\(11\frac{1}{9}\)
3
20%
4
\(9\frac{1}{11}\)