Time study — meracik 1 gelas kopi susu, kedai kopi UMKM
Waktu teramati
1,20 mnt
Rating kinerja
100%
Kelonggaran (allowance)
15%
Waktu Normal (WN) = Waktu Teramati × Rating =
1,20
×
100%
=
1,20
menit
Waktu Standar (WS) = WN ÷ (1 − Allowance) =
1,20
÷ (1 −
15%
) =
1,41
menit