This formula computes your daily savings (DS). =   € / Day     XR Number of tools per repair PR Pay rate per hour ( € / h) TS Number of tool sets in usage FCW Full equipped premium work bay Standard work bay Temporary work bay Fixed costs per work bay and hour (€ / h) X TOTAL number of tools DO Chaotic - no system Uncontrolled random storage in a particular room Controlled storage including handmade tool legend in separate storage areas Degree of order in tool sets WB Number of work bays RJ Number of repair jobs per work bay