All of the following are examples of the value provided by a supply chain in the production of kitchen stoves except

a. The transportation company gets the stove to the retailer. 

b. The retailer educates the customer about product features, and delivers and installs the stove.

c. The product design team develops initial drawings for a new product offering.

d. The stove maker turns the components into the stove.

e. The components manufacturer helps the stove manufacturer by supplying parts and materials.