Hotel calculation assumptions:
Labour cost: £12 per hour; £ 0.2 per minute
Hive Xtra (10 Abbee Xtra) cost: £295 per month
Labour time vacuuming: 5 minutes per room
Labour time to manage 1 Abbee: 0.5 minute per room
1 Abbee Xtra runs for 150 minutes
Checked out rooms are cleaned every day