Fixed asset capitalization analysis and coding guide

Evaluate capitalization vs expense for the following spend items.

Inputs:
- Spend items list: {spend_items}  # description, vendor, amount, date, project, expected life
- Capitalization threshold: {cap_threshold}
- Useful life policy by asset class: {useful_life_policy}
- GAAP/IFRS basis: {accounting_basis}

Deliver:
1) Decision table: Item, Capitalize? (Y/N), Asset class, Useful life, Rationale, Required support.
2) Recommended GL coding (accounts, cost centers, projects).
3) Example journal entries for additions and in-service date.
4) Risks/grey areas and questions for engineering/ops.

Follow the provided policy; if policy missing, propose a reasonable draft.