Create & Sell Manufacturing Inc. uses a Kanban system for a component. The daily demand is $175$ units. Each container has a combined waiting and processing time of $0\mathrm{.}20$ days. If the container size is $10$ brackets and the safety factor is $11$ percent, how many Kanban card sets should be authorized?

a$.2$ Kanban cards

b$.4$ Kanban cards

c$.6$ Kanban cards

d$.7$ Kanban cards