Steam molding cost what's the part cost what's the tooling cost?

No, A period cost is not the part of inventory cost. Period cost must be charged in the period in whcih it is incurred.

This article covers CAM fairly well. The simple answer is yes. http://www.goulstonstorrs.com/uploadedFiles/Newsstand/Media_Articles/goulstonstorrsreprint.pdf NO......................

Common costs are shared between the units ie departments or products. Traceable costs are specific to the unit. While I've never heard common costs being called untraceable they are cannot be...

$300

Variable costs depends on how much is used. Ex: water bill. people can have a lot or not much but depends on how much.