Oracle EBS 12.1.3 PO functional Currency but Invoice and Payment in Foreign Currency

Oracle EBS 12.1.3  -  Would like to process PO in the functional Currency and Pay in a different currency.

Options                                                                                                              Test

1     PO USD          Invoice USD          Payment USD          Bank Acct USD          Yes

2     PO USD          Invoice USD          Payment USD          Bank Acct MXP          No

2     PO USD          Invoice USD          Payment MXP          Bank Acct MXP          No  

3     PO USD          Invoice MXP          Payment MXP          Bank Acct MXP          No 

4     PO MXP          Invoice MXP          Payment MXP          Bank Acct MXP          Yes  

Supplier Header                                        TEST

1     Invoice USD     Payment USD               Yes

2     Invoice USD     Payment MXP               No 

Supplier Site                                                  TEST

1     Invoice USD     Payment USD               Yes

2     Invoice USD     Payment MXP               No