I The following information relates to Lancashire Manufacturing: To produce a unit of product: Mixing department: 3 minutes per unit Molding department: 5 minutes per unit Casting department: 7 minutes per unit Finishing department: 4 minutes per unit There is a wait time of 8 minutes before the mixing department begins a batch, 5 minutes between the mixing and molding departments, a move and pre-wait between molding and casting of 10 minutes, and a it between the casting and finishing departments of 12 minutes. How long does it take to produce a batch of 20 units under a traditional manufacturing approach? A. 380 minutes B. 415 minutes C. 35 minutes D. none of the above