Shannon Corporation had profit of $250,000 and paid dividends to common shareholders of $50,000 in 2021. The weighted average number of shares issued in 2021 was 50,000 shares. Shannon Corporation's common shares are selling for $40 per share on the Toronto Stock Exchange. Shannon Corporation reported cost of goods sold for the year at $2,900,000, and the average merchandise inventory for the year was $138,000. What was Shannon Corporation's inventory turnover ratio for 2021?.