Maddox Resources has credit sales of $$189,000$ yearly with credit terms of net $30$ days, which is also the average collection period. Maddox does not offer a discount for early payment, so its customers take the full $30$ days to pay. $($Use $365$ days in a year.$)$ a$-1.$ What is the average receivables balance? $($Do not round intermediate calculations. Round the final answer to nearest whole dollar.$)$ Accounts receivable balance