I need help with solving this

Dome Metals has credit sales of $486,000 yearly with credit terms of net 90 days, which is also the average collection period. Dome does not offer a discount for early payment, so its customers take the full 90 days to pay. a. What is the average receivables balance? (Use a 360-day year.) Average receivables balance b. What is the receivables turnover? (Use a 360-day year.) Receivables turnover times