How to read procurement cost in SNP Logs?

Hi

Iam using SAP APO SNP Optimizer for Sourcing Optimization,For analysis purpose we are using SNP logs and developing customized report based on the SNP Logs we are able to get transportation cost based on the logs but we need procurement cost which is in the product master.Can any one suggest how can we get procurement cost in the customized report based on the SAP APO SNP logs

Regs

Poorna