Complications Attributed to Perishability Include All of the Following Except

Complications attributed to perishability include all of the following except:

A) services that are not sold when they become available cease to exist.
B) the production and consumption of services cannot be separated by time and space.
C) statistical sampling techniques are of little use in services.
D) due to the lack of inventories,marketing and operations must work much closer together.
E) products are sold at a transfer price from one department to another within the same company.