A small engineering consulting firm is establishing a plan for next year. The director and the three partners need to prioritize the eight projects. The expected profit for each project is given in the following table together with the number of person-days required to prepare each project. Another measure included is the computing resource measured as the computer processing unit (CPU) time (in hours). You have been tasked to evaluate which projects they ought to pursue based on efficiency. Given the sample data below, you plan to construct a data envelopment analysis (DEA) model: