Your company had net sales of $100,000 over the past year. One quarter of the sales were credit sales. During that time, average receivables were $5,000. The accounts receivable balance at the end of the year was $5,000. What was the average collection period? What is the average age of receivables (same answer!)? (Assume a 360-day year) O 18 days O 27 days O 36 days O 72 days O 60 days