We have to find the final price of the floor lamp after all changes in price. If the price changes 62% Markup we will multiply previous price by 1.62 ( 100% + 62% = 162% = 1.62 ). Also for 15% Markdown we will multiply it by 0.85 ( 100% - 15% = 85% = 0.85 ) and so on: $44.50 * 1.62 * 0.85 * 1.18 * 1.20 * 0.55 = $47.72 Answer: B. $47.72