Final answer:
Functional obsolescence is the type of deterioration that refers to the tasks a homeowner should have completed to ensure maximum profit when selling their home.
Step-by-step explanation:
The tasks that any prudent homeowner should have completed by the appraisal date to ensure he receives the maximum profit when he sells his home refers to functional obsolescence. Functional obsolescence occurs when a property's features or design become outdated or no longer meet the needs of potential buyers.