Sometimes sellers have little choice in setting a selling price because it is already marked on the item by the manufacturer. which of the following commodities is mentioned in your reading material as a common example of this?

One of the example of the commodities in which the sellers have little choice in setting selling price is books

In selling a books, all the price is usually arranged by the publisher and manufacturer and the seller could not really set the selling prices unless they have enough resource to self-publish