You can use this app to perform a step-by-step analysis by looking at different key performance indicators (KPIs) from different perspectives. As a corporate controller, you will want to analyze days payables outstanding (DPO). DPO is a measure of the average payment period for costs of goods sold, this is, the average number of days it takes a company to pay its invoices from trade creditors, such as suppliers. Therefore, analyzing DPO gives an important indication of the paying habits of the company, the average time it takes to make payments, and the company’s credit worthiness.