In the Bargain Bazar everyone purchases with a fair bargaining, so the traders markup the prices too much. A trader marked up an article at ₹ M ejected huge profit if it is .sold on the marked price. But a customer purchased it at `M//2` with his fine bargaining skills, so the expected profit of the trader diminished by `66.66%`. What is the percentage discount fetched by the customer through bargaining?

Options

A. `33.33%`
B. `50%`
C. `66.66%`
D. none of these

Answer

B