Concord Company manufactures toy trucks. Orders for 8,700 trucks were received during March, with deliveries scheduled evenly throughout the month of April. Trucks are produced simultaneously in 9 manufacturing cells. Time available for production in each cell is 7 hours per day for 21 days during March.

Takt time 9.12 minutes per truck.

At the end of the first hour of a days production, one cell had completed 6 good trucks, including one truck that was reworked. Calculate the day-by-the-hour results and variance.

Day-by-the-hour ____trucks per hour

Variance ____ trucks