Which of the following is an example of a mark down?

A markdown refers to a reduction in the original selling price of a product, typically to encourage sales and clear out inventory. The correct answer involves a clothing store reducing prices specifically for this purpose, which is a clear representation of a markdown strategy. Retailers often use markdowns when they have excess inventory or seasonal items that need to be sold quickly to make room for new stock.

The other choices present scenarios that do not involve price reductions aimed at selling off stock. For instance, the first choice describes an increase in price, which does not align with the concept of a markdown. The bakery's promotion of "buy one get one free" provides a discount mechanism but does not directly reduce the price of an individual item. Lastly, the toy store raising prices during the holiday season exemplifies a markup rather than a markdown, as it shows an increase in pricing based on demand rather than a decrease.