A trader offers the following discount schemes on the purchase of a refrigerator.
( i ) a discount of 10% followed by a discount of 8%
( ii ) successive discounts of 12% and 10%
( iii ) two successive discounts of 12%
( iv ) a discount of 20%
In which scheme is the selling price the lowest?
1
(iv)
2
(i)
3
(ii)
4
(iii)