dual pricing; display of two prices
Refers to the practice of showing two different prices for the same item, often a regular price and a sale price, or prices in different currencies. Common in retail and consumer contexts.
Dual pricing is prohibited in this store.
Displaying two prices can sometimes confuse consumers.
Compound of 二重 (にじゅう, 'double') + 価格 (かかく, 'price') + 表示 (ひょうじ, 'display').