Which of the following is not a characteristic of the company's operations?

The company has two buildings for assembling products at its Taiwan site$--$one for cameras and one for drones $($the drone assembly process also includes assembly of an action$-$camera model having features and specifications suitable for use in camera$-$equipped drones$).$

The company has a staff of people engaged in product R&D; this group has the capability to develop new and improved models of cameras and drones as directed by top management.

Shipping department personnel package orders for shipment and stack them on the loading dock for pickup by independent freight carriers. The cost of boxing cameras, packaging them for shipment, and freight averages $$5$ per camera. Packaging and shipping costs for drones average $$60$ per unit; most orders for drones are air freighted to customers and delivered within $5$ to $10$ business days after production$/$assembly of the order.

Once company co$-$managers settle on the desired specifications and performance features for the company's line$-$up of camera and drone models, the needed parts and components are obtained from suppliers having the capabilities to make deliveries to the company's Taiwan assembly site on a just$-$in$-$time basis, thus eliminating the need to maintain inventories of parts or components.

Camera models and drone models are assembled in advance, warehoused in company facilities, and then used to fill incoming orders; all camera$/$drone orders are usually shipped within $1-3$ business days of receiving the order.