Answer:
The correct answer is A that is terms of sale
Explanation:
Term of Sales is the term which is described as the to the agreement or the contract among the buyer and the seller of goods and services. It involves the conditions on both the parties agreed like the delivery, payment terms, price, quality, warranty, quantity and other special conditions.
So, in this case, the hardware offers the discount if payment is received within the time period of 10 days. And if the payment is not received within the period of 10 days then will be due in 30 days. Therefore, it is called as the terms of the sale.