Eddy Corporation had net credit sales during the year of \(\$ 800,000\) and cost of goods sold of \(\$ 500,000\). The balance in receivables at the beginning of the year was \(\$ 100,000\) and at the end of the year was \(\$ 150,000\). What was the accounts receivable turnover and average collection period in days?

a. 4.0 and 91.3 days.

b. 5.3 and 68.9 days.

c. 6.4 and 57 days.

d. 8.0 and 45.6 days.