A corporation has $10$ PCs connected to a single switch on its local area network $($LAN$).$ The total capacity of the switch is $1$ Gbps $($Gigabit per second$).$ For $8$ hours a day, the machines on the LAN are actively transferring data. The IT team collects data and discovers that the average data transmission rate between each computer and the switch during active hours is $80$ Mbps $($Megabits per second$).$

a$.$ Determine the total quantity of data transported in a single day $($in megabits$)$