Which of the following is the most important competitive factor in determining a company's ability to secure contracts to supply private$-$label footwear to chain retailers in a particular geographic region?

The number of private$-$label models$/$styles the company offers to supply

The company's customer service rating

Whether the company agrees to allow the celebrities it has under contract to endorse its branded footwear to also endorse the private$-$label footwear it supplies

How the company's price offer to supply private$-$label footwear to the region's chain retailers compares to the price offers of rival footwear companies

Whether the company offers to deliver the orders of chain retailers for private$-$label footwear in less than $4$ weeks