$($Productivity$)$ Med$-$Tech labs is a facility that provides medical tests and evaluations for patients, ranging from analyzing blood samples to performing magnetic resonance imaging $($MRI$).$ For each patient, the price to the patient is $$60.$ The Labor cost is $$15,$ the materials cost is $$20,$ and the overhead cost is $$20.$ What is the multifactor productivity ratio $($consider all the input mentioned above$)$ for Med$-$Tech?