Supplier A Supplier B Supplier C

MTBF $($hours$)$

$1006065$

MTTR $($hours$)$

$358$

Which supplier should the office manager select if she chooses the supplier with the best system availability? $($Enter your response rounded to four decimal places.$)$

Part $2$

The system availability of supplier A is $?$

$.$

Part $3$

The system availability of supplier B is $?$

Part $4$

The system availability of supplier C is $?$

Part $5$

On the basis of system availability, supplier A$,$ B$,$ C should be selected?