Refers to Status Code:
Possible Reason Codes:
601: Merchant not eligible for product installment
650: The condition of amount is not passed. The amount is too low.
651: The condition of amount is not passed. The amount is too high.
671: The condition of the last rate is not passed
688: Rate was too low for long runtime amount
689: Rate was too low for short runtime amount
695: Rate was too high to match minimum installment runtime
696: Rate was too low to match maximum allowed installment runtime
697: Rate or runtime did not match allowed runtime
698: Runtime was too long to match maximum allowed installment runtime
699: Runtime was too short to match minimum allowed installment runtime