A listing of activities required by a product, service, process output, or other cost object. Bill of activity attributes could include volume and/or cost of each activity in the listing.

Inventory Counting 101: Your Simple Guide to Better Stock Management
Running an ecommerce business? Then you know inventory is everything. But here’s the question: do you actually know how much inventory you have right now? Many business owners think as long as they have enough products to sell, the exact count doesn’t matter. That’s a costly mistake. Accurate inventory counts