How does elastic scalability benefit users of cloud computing applications?
A. It is a tool for improving capacity planning and optimizing upfront investments
B. The cost of resources is incurred only when they are used and for as long as (or how much) they are used.
C. It reduces the cost of applications in the cloud because it relies only on a virtualized infrastructure which is cheaper than a physical infrastructure.
D. It allows for the incremental development of new application features in the cloud, which makes the applications more affordable to manage and operate.
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