Management of a T-shirt manufacturer believes if the company applies lean principles, then cycle efficiency can be improved. The following are estimated completion times for different activities in the manufacturing process. Activity Traditional Lean Cutting and sewing processing 22 minutes 22 minutes Wait time before moving to ironing 9 minutes 6 minutes Moving shirts to ironing 11 minutes 7 minutes Ironing shirts 11 minutes 11 minutes Wait time before moving to packaging 5 minutes 5 minutes Moving shirts to packaging 3 minutes 2 minutes Packaging shirts 12 minutes 12 minutes Quality inspection 14 minutes 8 minutes Compute cycle efficiency for the (a) traditional approach and (b) lean approach