A custom-made product is produced by processing materially sequentially through four departments. To process material, department #1 requires .5 hours per unit, department #2 requires .6 hours per unit, department #3 requires .2 hours per unit, and department #4 requires .5 hours per unit. How many hours will pass before all units are completed and ready for shipment if the transfer batch size were reduced to a value of one (1)? (Hint: splitting and overlapping of these three batches is taking place)
A. 200.2 hours
B. 181.2 hours
C. 180.0 hours
D. 500.0 hours
E. 50.5 hours