A dual$-$card kanban system needs to be designed for a manufacturing process that has a demand rate of $200$ per hour of a certain item.

The standard containers designed for the components can hold $25$ items. The conveyance time and the production time for the components

are $30$ minutes and one hour, respectively. Assume a safety factor of $10$ per cent.

Identify the number of C$-$kanbans and P$-$kanbans required in the system.