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 organization

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

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