work time analysis

working time analysis.txt

2017.10.30.> in: 11:00
             out: 18:00
             work: 2 hour 20 minute
             coffee break: 2 hour 51 minute
             lunch break: 11:00 - 12:30 (after that implied 45 min work)

2017.10.31.> in: 10:00
             out: 16:07
             work: 3 hour 14 minute
             coffee break: 1 hour 22 minute
             lunch break: 11:25 - 13:44

2017.11.02.> in: 11:14
             out: unknown (counting sum in with 18:00)
             work: 4 hour 16 minute
             coffee break: 2 hour 4 minute
             lunch break: none

2017.11.03.> in: 11:11
             out: 18:00
             work: 4 hour 2 minute (which of 38 min implied)
             coffee break: 2 hour 25 minute
             lunch break: 11:50 - 12:20 (He was there at 12:58)

2017.11.06.> in: 9:58
             out: 16:50
             work: 2 hour 44 minute
             coffee break: 1 hour 32 minute
             lunch break: 11:58 - 14:29

calculation from the 5 measurement:
sum work: 16 hour 36 minute = 996 minute
sum coffee break: 10 hour 14 minute = 614 minute

498/307 = 1.62214 (measured best case scenario)

sum lunch break: 6 hour 50 minute = 410 minute

sum in: ~ 1 day 9 hour 43 minute = 2023 minute