How is recommendation score getting calculated in Auto Match

Summary:

How is recommendation score getting calculated when customer reference/customer details are not passed in the receipt.

Content (required):

Default auto match rule used and attached to manage receivable system options

When receipt is loaded without any customer reference and only transaction number is passed as reference.

Customer match score is gettng calculated as 100 .

Expected result-

Customer match score is calculated as 0 since customer reference is not paased.

Total score should be equal to 50 and not 100.

Version (include the version you are using, if applicable):

Oracle cloud

Code Snippet (add any code snippets that support your topic, if applicable):