From the chart
1.) A2 ( Afternoon round 2 ) takes less time than the average because size of tires is large . CAD has little . Store man has 4 people to load tires.
2.) M1 ( Morning round 1) and M2 ( Morning round 2) tallyman don’t write work sheet because supervisor assign other job . Result forklift writes work sheet . Form this event can conclude if the forklift to write the sheet with will not affect the loading time tires increased.