what do the numbers in a 1 10 net 30 type calculation stand for 
the first number is always the percentage of the discount the second number is always the number of days of the discount period the third number always reflects the invoice due date the bottom linethe 1 10 net 30 calculation provides cash discounts on purchases if the bill is paid within 10 days there is a 1 discount otherwise the total amount is due within 30 days 