Each eight-hour day the assembly line produces 1600 units that essembly multiple individual components together. Because the assembly line is located in a different area of the plant than the areas where the components are produced, a two-card (C and P) pull system is used. The information about producing and moving component A is as:

Container size 60

Conveyance waiting time 1.00 hour

Conveyance total move time 0.50 hour

Assuming no safety margin is to be maintained, how many conveyance kanban cards are needed for component A? Round up the whole number