Which ONE of the following correctly differentiates between obsolescent and redundant stock?

Obsolescent stock is in short supply; redundant stock has no current supplier with stock available

Obsolescent stock is damaged goods that need returning to suppliers; redundant stock is no longer stocked by the organisation

Obsolescent stock has been updated by another item but can still be used; redundant stock is no longer used by an organisation

Obsolescent stock has been supplied by a failed supplier; redundant stock requires quality testing before use