Work Out Debtor Days Bundle Add to basket £1.50 inc VAT SKU: TK29 Category: Toolkits. Description Product Description Download our Work Out Debtor Days Bundle Today Work out your DSO, which stands for stands for Days Sales Outstanding, sometimes called Debtor Days. previousnext Related products Beginning your Credit Claim £9.00 inc VAT Identifying Debtor Types £0.50 inc VAT Credit Claim Court Hearing £1.50 inc VAT Credit Risk Application: Unlimited Company £1.00 inc VAT