Please answer both 4 and 5 questions

4) Management of It'll Heal Medical Company are evaluating the performance of three divisions of the company. The Booboo Division had operating profit of $499 and had an investment of $6,238. The Splint Division had operating profit of $350 and used a investment of $3,889. The Intensive Care Division had operating profit of $570 and a investment of $9,500. Which division is performing the best based on ROI? 5) Company ABC sold $5million of goods in 2018 at a cost of $1,650,000. The organization has an average inventory of $625,000. What is the turnover rate