You can now add an average cost to your Activities/Materials in LMN Time. Select Settings>Activities/Materials and select the Activities/Material that you wish to update.
Add your Avg. Unit Cost in the field provided. The Update Cost button will allow you to update the Average Unit Cost on all jobs in one action.
Here you can determine if you wish to update all jobs, or only jobs which currently have a $0.00 Avg. Unit Cost.