A/R AND A/P FOR SAME COMPANY IN SIMPLY ACCOUNTING SOFTWARE

SO THIS IS WHAT I HAVE COMPANY A OWES COMPANY B $100.00 BUT COMPANY B OWES COMPANY A $100.00 SO WHAT DO I DO IN SIMPLY ACCOUNTING AS FAR AS A ENTRY SO WE DON'T NOT HAVE TO WRITE CHECKS TO EACH OTHER IN OTHER WORDS WHAT WOULD THE JOURNAL ENTRY IN SIMPLY ACCOUNTING SOFTWARE BE?

THANKS,
DENISE