Cost price of 36 pens is same as selling price of 32 pens and profit earned on 11 pens is same as discount given on 7 pens then find the mark up percentage with respect to cost price?
1
25\(\frac{3}{4}\)%
2
32\(\frac{1}{7}\)%
3
33\(\frac{1}{3}\)%
4
25%