What is the availability of Port 5 in that week?

A Fibre Channel switch has eight ports and all ports must be operational 24 hours 7 days.

However, a failure of Port 5 occurs on a particular week as follows:

– Monday = 11 AM to 3 PM

– Thursday = 6 AM to 11 AM

– Saturday = 11 AM to 4 PM

What is the availability of Port 5 in that week?
A . 91.6%
B . 94.6%
C . 95%
D . 90%