Tell the customer that the item they want is out of stock and then you will email them when it is in stock!!
Answer:
The answer is the recency effect.
Explanation:
The recency effects refers to remembering more easily any information or events that have occured recently. For example, if a person takes five different subjects at school every day, it's likely he or she will remember the last class best.
This phenomenon is related to the serial position effect, which determines that the position of the items in a list affect the way you remember them.