% ⇒ 44%Now he is also giving 2 products for every 8 products ⇒ He is giving 10 products in the marked of price of 8 products ⇒ Discount he is providing, discount 3→
2
10
×100⇒20% Overall effective discount = −44%−20%+
44×20
100
⇒ −64%+
44
5
=
276
5
% ⇒ if marked price = 500x Selling price = (500 - 276) x = 224x ...(i) Profit in overall transaction = 12% ⇒ If CP = 100x SP = 112x But SP from Equation (i) = 224x ⇒ CP will be 200x Markup% =