A retail offers the following discount scheme for buyers on an article.
I. Two successive discounts of 10%.
II. A discount of 12% following by a discount of 8%
III. Successive discounts of 15% and 5%
IV. A discount of 20%
The selling price will be minimum under the scheme.

Options

A. Two successive discounts of 10%.
B. A discount of 12% following by a discount of 8%
C. Successive discounts of 15% and 5%
D. A discount of 20%.