An excerpt from Kalamia manufacturing company’s last year’s final annual report revealed the following information:

CATEGORY PART NO.

AVERAGE INVENTORY UNIT VALUE UNITS €

Raw materials RSI - 1 200 3 RSI - 2 50 2 RSI - 3 300 1 RSI - 4 100 3,5 Work-in-process CSI - 1 50 10 CSI - 2 250 15 Finished goods FJ - 1 890 70 FJ - 2 2,000 77 FJ - 3 870 90 Compute:

a) inventory turnover;

b) weeks of supply, assuming an annual operation of 50 weeks and the cost of goods sold was €5,000,000.