What do the credit terms, 2/15, 1/30, mean? Multiple Choice A 15% discount can be deducted if the invoice is paid within 2 days following the date of sale. A 2% discount can be deducted for a period up to 30 days following the date of sale. A 2% discount can be deducted if the involce is paid before the 15th day following the date of the sale. A 2% discount can be deducted if the involce is paid after the 15th day following the sale, but before the 30th day