Peru Retreat Payment Portal Custom › Peru Retreat - 9-Month Payment Continuation (5% Interest) Image 1 of 1 Peru Retreat - 9-Month Payment Continuation (5% Interest) $700.92 every month for 9 months $700.92 every month for remaining 9 months.Please note that there is a 5% interest fee included. Purchase Added! $700.92 every month for remaining 9 months.Please note that there is a 5% interest fee included.