Listed below are errors that the application of audit procedures may detect related to inventory. For each error identify the broad category of assertion involved. 

a. Some inventory items are out on consignment and were not counted during the physical inventory. 

b. During the physical count the client's employees mistakenly counted some items twice. 

c. The basis of inventory valuation is not included in the financial statements. 

d. Included in the inventory counts are some items that are held on consignment. 

e. Some inventory items are listed at cost, but replacement cost is lower.