In a work sampling study, the following table summarizes a total of 40 random observations taken over a three-day study period (24 hours) associated with an automated work system (consisting of four machines with P-machine in production state, S-set-up state; I-idle state). During the study period, 1,000 units were produced. Assuming 8-hour shift per day and Za2 - 196, what is the standard time for the production activity if machine allowance equals 17.5% (up to 3 decimals)? Machine 1 Machine 2 Machine 3 Machine 4 P 1 P S P I P S P S P P P P P 1 I P 1 1 S 1 1 S P P P S P P P P P P P S P I