Answer:
a. 900 units of inventory shipped on consignment by Peete to another company. 
- INCLUDED IN THE INVENTORY SINCE THE MERCHANDISE BELONGS TO PEETE COMPANY
 
b. 3,000 units of inventory in transit from a supplier shipped FOB destination. 
- NOT INCLUDED IN THE INVENTORY SINCE THE MERCHANDISE BELONGS TO THE SELLER (FOB DESTINATION)
 
c. 1,200 units of inventory sold but being held for customer pickup. 
- NOT INCLUDED IN THE INVENTORY SINCE THE MERCHANDISE BELONGS TO THE CUSTOMER
 
d. 500 units of inventory held on consignment from another company.
- NOT INCLUDED IN THE INVENTORY SINCE THE MERCHANDISE BELONGS TO THE CONSIGNOR