Rental items scenario in Order Management

Hi,

We have a requirement where our client has some inventory items which he rents out to his customers. These items are primarily serial controlled items. At the time of renting of these items, the rental duration is not known, but rental charges per day per equipment is known. The client's customer collects these items and uses these and return these after n number of days. At this point my client creates AR invoice to bill the customer (number of days the item has been rented x rental charge per day for the equipment).

We are planning to user inventory and order management to handle this scenario. The items are 0 cost items