Which data use for Cost of Goods Sold Report in SAP ByDesign?

In KPI, SAP built in create KPI "Cost of Goods Sold" but no data show. It connect "Earned Profit Overview For KPI" Report which datasource is "Profitability Management". Datasource shows data but in Earned Profit Overview For KPI report, don't show any data. I want to see cost of goods sold. Which data use for Cost of Goods Sold Report in SAP ByDesign?