INVOICE DONT HAVE AN INCOME ACCOUNT FIELD TO POST TRANSACTIONS

INVOICE DONT HAVE AN INCOME ACCOUNT FIELD TO POST TRANSACTIONS

INVOICE DON'T HAVE AN INCOME ACCOUNT LIKE THE EXPENSE ACCOUNT FIELD IN THE EXPENSE MODULE.

PLEASE CAN YOU TELL ME WHAT TO DO TO ADD THIS FIELD AND FUNCTION TO POST IT TO THE RIGHT INCOME ACCOUNT.

THANK YOU VERY MUCH