Answer:
a cumulative quantity discount
Step-by-step explanation:
The cumulative quantity discount is the discount that is depend on the value of the good purchased over a time period. The discount would be applied for any kind of shipments that made within the timeframe.
Just like if wholesaler make an offer that if the purchase is done more than $5,000 so 5% discount is applied
So according to the given situation, it represent the cumulative quantity discount