please provide any formulas used

Where r is total acoruals in the current year (I.e., current-year income berore extraordinary items minus current-year oash hou x is the ohange in revenue from last year to the current year, and X2 is the gross amount of PP8E at the end of the current year. All of these variables are soaled by total assets at the end of last year. The analysis provided the following information: You also ran a model for the industry defined by 3 -digit SlC codes and obtained the following: The company you are investigating for fraud has the following data