We wrote to you recently reminding you of the outstanding amount of $1187.24 for Invoice number #D5F85F, but it appears to remain unpaid. For details please check invoice attached to this mail
This is a reminder that your account balance of $2219.27 was overdue as of 20 April 2016. Enclosed is a statement of account for your reference.
Please arrange payment of this account today or, if you cannot make full payment at this time, please contact us to make a payment arrangement that is mutually acceptable.