At Blyrie Apparels, the apparel stocks in the firm's outlets are changed every week. This is based on the changing fashion preferences of its customers. Its managers also coordinate in real-time among its other stores and satisfy its customers' requirements. In this case, Blyrie Apparels most likely uses _________.a. a responsive supply chainb. the center-of-gravity methodc. an efficient supply chaind. the push-pull boundary

Responsive supply chain is defined as the sensitive network of firm and supplier for producing and supplying goods to the buyers. This supplying mechanism is very quick in response towards the change in requirements of the consumer.

According to the question, Blyrie Apparels is displaying responsive supply chain because change in fashion needs of buyers tends to change the network of fashion apparel stock.

Other options are incorrect because center of gravity, push-pull method or supply chain in efficient manner are not the trend that describes about the responsiveness shown by the pattern of firm and supplier towards the buyer in sensitive manner. Thus,the correct option is option(a).