True or False (If false, please explain why or what would make the statement true)

1. Opportunity costs have no impact on aproject's incremental CFs.
2. Use of afirm's existing assets in a proposed project would result in an erosion cost.
3. Working capital accounts typically go up at the beginning of a project and are then decreased later.
4. The market value of along-term asset at any point in time is equal to theasset's original cost plus all of the depreciation that has been taken on that asset.

Thank you!