HAI rate (SAB Infections per 10,000 patient days)    
  Hospital bed days    
  Number of hospital admissions    
  Number of hospital beds    
  Nominal patient cost ($/day)      
  Nominal HAI stay extension (Days)      
         
  Number of SAB HAI cases annually    
  Number of SAB HAI cases per 10,000 admissions    
  Nominal cost annually ($)    
  Assumed reduction in HAI rate (%) 50%    
  Cost of SaniBots ($)    
  Payback period (Years)    
  5 Year RoI (%)    
  5 Year RoI ($)    
  Nominal savings annually after payback period ($)