A manager wants to determine the number of kanbans to use in a new process for a part. The process will have a usage rate of $80$ pieces of the part per hour. Because the process is new, the manager has assigned a safety factor of $1\mathrm{.}0.$ Each container holds $50$ pieces and a kanban will take an average of $90$ minutes to complete a cycle.

a$.$ How many kanbans should be used? $($Round up the final answer to the next whole number.$)$

Number of Kanbans

b$.$ As the system improves, will more or fewer kanbans be required?

multiple choice

More kanbans required

Fewer kanbans required