The SUP Co. had a retained earnings balance of $100 on 12/1/X1. SUP had the following transactions in December: 1) Issued common stock for cash, $50. 2) Provided services to customers on account, $20. 3) Provided services to customers for cash, $9. 4) Purchased equipment and paid cash, $43. 5) Paid employee salaries for December, $15. 6) Declared and paid a dividend, $8. What amount does SUP show for retained earnings on its 12/31/1 balance sheet