As represented in the exhibit, a company has a system with three critical components.

Each component must be functioning for the system to be operational. SLAs have been
established between the business and IT that define normal hours of operations for service as 8
A.M. – 8 P.M., Monday through Friday.
What is the availability (percentage) of Component 1?

A.
78

B.
81.7

C.
89

D.
91.7