The benefits of using cloud infrastructure versus in$-$house hosting include all of the following, EXCEPT

A$.$ the amount of computing resources can be flexibly allocated based on demand

B$.$ cloud resources provide best$-$of$-$breed security and disaster recovery

C$.$ there is no need to invest in technology that will soon be obsolete

D$.$ costs of computing resources are less using the cloud

E$.$ the client company cannot control changes in the vendor's management, policy, and prices