We have OPM already implemented and OPM Costing was also impletented earlier but it didn't work so w

Hi all,

We have OPM already implemented and OPM Costing was also impletented earlier but it didn't work so we stopped using
OPM costing & financials in between. Now we are reimplementing OPM costing & Financials. We will be using PMAC.
For implementing OPM Costing, We have to load Opening cost or initial cost of all OPM items as an opening cost.
Now if i load Opening cost thru Unit cost adjustment, then  i run Actual cost process engine. But as Purchasing and
Process execution are already live, so system do average out of my cost based on current month data and i am not able