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 Credit Control Working out Interest £1.00 inc VAT Credit Risk Application: Limited Company £1.00 inc VAT Small Court Claim Process Diagram £0.00 inc VAT Guide To Alternative Dispute Resolution £1.50 inc VAT