All supply chain processes can be broken down into four process cycles that connect the five stages of the supply chain; the customer order cycle, the replenishment cycle, the manufacturing cycle, and the procurement cycle.

Consider the supply chain involved when a customer purchases a book at a bookstore. Based on this, which cycle connects the retailer and the distributor such that it is triggered by the retailer's need to fill the empty shelf space with another copy of this book?

Question $8$ options:

Customer order

Replenishment cycle

Manufacturing cycle

Procurement cycle