Conduct ratio analysis using a matrix table including three years of most recent data for Sales revenue trend, Gross Profit trend, Net Profit trend, and Debt to Equity ratio. Discuss the reasons for the yearly changes in the data for Korn/Ferry International, Inc. in detail.

Three years of most recent data for Sales revenue trend, Gross Profit trend, Net Profit trend, and Debt to Equity ratio links

year 2020 https://sec.report/Document/0001564590-20-032398/

year 2019 https://sec.report/Document/0001564590-19-024039/

year 2018 https://sec.report/Document/0001193125-18-207569/