Under what circumstances or conditions would you prefer to store goods in a warehouse by

a. Placing the product directly on the floor

b. Palletizing and stacking pallet loads (block storage)

c. Palletizing and storing in conventional pallet rack

d. Palletizing and storing in pallet flow rack

e. Palletizing and storing in drive-in rack

f. Palletizing and storing in drive-through rack g. Placing cases directly in flow rack h. Storing in cantilever rack i. Palletizing and stacking using portable stacking rack j. Placing the product directly in a bin