ORA_CMR_IGNORE_AP_ERV_TERV -- Profile Values

What is the difference between the 3 profile values ?

Regarding the profile values : tell me if I understand the concept right or wrong. 

-- Match at receipt : only the ERV resulted from POs that match at receipt is not affecting the inventory valuation. 

-- Match at order: only the ERV resulted from POs that match at order is not affecting the inventory valuation. 

-- Match at receipt & Match at order : the ERV  from the POs that match at receipt & POs that match at order does not affect the inventory valuation 

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