On the adjusted trial balance of Orlando Corporation as at January 31, 2018, the following are some of the account balances (all normal balances): Supplies $740, Prepaid Insurance $1,620, Unearned Revenue $680, Salaries Payable $1,190, Supplies Expense $950, Service Revenue $2,030, Insurance Expense $540, Salaries Expense $1,740. Orlando's year-end is December 31 and its adjusting journal entries are recorded monthly. If $2,570 of salaries was paid in January, what was the balance in Salaries Payable at December 31, 2017? dollars