Mrs. jenkins has lived in her little 1940s cottage for forty years. her home is immaculately maintained; it has a beautiful, well-manicured garden, and is just as lovely inside as outside. unfortunately, the same cannot be said for the rest of her neighborhood. other neighbors have let their properties go downhill. there is absolutely no curb appeal to any of the other homes in her neighborhood. mrs. jenkins' neighborhood is definitely in decline. which type/types of depreciation applies/apply? a. economic, environmental, or external obsolescenceb. physical deteriorationc. functional obsolescenced. physical deterioration and functional obsolescence