Unpaid amount when using the mutual currency rate does not match the payment amount
Summary:
When multiple foreign currency invoices (USD) are paid in JPY using the mutual currency rate,
there are cases where unpaid amount and the payment amount on the Payment Process Request do not match.
<Occurrence data>
Invoice currency: USD
Invoice amount: 100.123 x 5
<Payment Process Request: Input Value>
Mutual currency rate: USD→JPY 142.75
<Payment Process Request: Amount Displayed>
Unpaid amount: 71,463 ・・・ It is understood that the JPY amount is calculated by multiplying the invoice amount to be paid (500.615) by the rate (142.75).
Payment amount: 71,465 ・・・ It is understood that the invoice amount (100.123) is multiplied by the rate (142.75) and then added up.
<Questions>
Is the payment amount specified to be the total after "invoice amount x rate" as above?