Final answer:
The Inventory Gain Equipment transaction reason that must be used to properly establish accountability in DMLSS for equipment as part of the consumable item cost is IG - Inventory Gain.
Step-by-step explanation:
The Inventory Gain Equipment transaction reason that must be used to properly establish accountability in DMLSS for equipment as part of the consumable item cost is IG - Inventory Gain.
When equipment is recorded as part of the consumable item cost, an inventory gain occurs due to the increase in the value of the inventory. By using the IG transaction reason, the accountability for this gain can be accurately established in the DMLSS (Defense Medical Logistics Standard Support) system.