A fan is listed at Rs. 1500 and a discount of 20% is offered on the list price. What additional discount must be offered to the customer now to bring the net price to Rs. 1104 ?

Listed price of fan = Rs. 1500
After discount listed price
$$\eqalign{ & {\text{ = 80}}\% {\text{ of 1500}} \cr & {\text{ = }}\frac{{80}}{{100}} \times {\text{1500 }} \cr & {\text{ = Rs}}{\text{. 1200}} \cr} $$
Net price of fan = Rs. 1104
Differece = 1200 - 1104 = Rs. 96
Additional discount
$$\eqalign{ & {\text{ = }}\frac{{96}}{{1200}} \times 100 \cr & = 8\% \cr} $$