Which of the Following Is an Example of Agency Pricing

Which of the following is an example of agency pricing?

A) A department store gets a cut on the selling price of a product, which is set by the product's manufacturer.
B) A retail store purchases merchandise from a manufacturer and sells the merchandise at whatever prices it wishes to charge.
C) The government of a country sets the minimum price for certain agricultural products to cover the costs incurred by the farmers.
D) A manufacturer and a retailer work in a collaborative manner to decide the price of the final product.
E) The government of a country sets the maximum price for a certain product that retailers cannot exceed.