Time per day	8	hours		Batch Size	8	lbs
	Time per day	480	minutes		Donut Size	2	oz
	Days per week	7	days		Donuts/batch	64	donuts/batch
	Current Sales	1100	doz/day
	Target	13,200	donuts/day
	takt time	2.18	seconds/donut
		Step 1: Batching	Step 2: Mixing	Step 3: Extruding	Step 4: Frying	Step 5: Glazing	Step 6:Customize
	Setup time (mins)			1.5
	Setup time (seconds)			90
	Process time (mins/donut/extruder)	2	2.5	0.06	1.5	0.75	0.029
	Process time (per batch)			1.19	1.5	0.75	1.867
	Setup time + Process time (per batch)			2.69
	Capacity (batches/day)	240.0	192.0	178.8			257.1
	Capacity (donuts/day/machine)	15,360.00	12,288.00				16,457.14
	Number of machines/cutters	1	2	3			1
	Capacity (donuts/day)	15,360.00	24,576.00	11,440.55			16,457.14
	Dozens	1,280.00	2,048.00	953.38
	cycle time	1.88	1.17	2.52			1.75
	Whole batches/day	240.0	192.0	178.0			257.0
	Capacity (using whole batches)	15,360.00	24,576.00	11,392.00			16,448.00
	cycle time (using whole batches)	1.88	1.17	2.53			1.75

Second option: Add cutters to the extruder. Johnson also considered adding an additional three cutters to the extruder. He knew this would increase the rate at which donuts could be cut and shaped, but he also knew that it would add to the cleaning and setup which had to be performed prior to each step and that it would cost him to purchase and install the new cutters...making this, again, not the ideal option - but a feasible one. In order to make an informed decision, he needs to know this: Working with whole batches only (no partial batches allowed), what is the maximum setup time in minutes, rounded to the nearest tenth of a minute, that could be allowed for each batch if he were to add an additional three cutters without changing the current batch size of eight pounds?