Three engineers are working in the government engineering office (GEO) as inspectors for newly constructed residential buildings. The three engineers can be listed as follows: 1. Engineer 1 is a architectural engineer 2. Engineer 2 is an electrical engineer 3. Engineer 3 is a mechanical engineer The three engineers were assigned to review the residential building before being received by Owner from the Modern Construction Company (MCC). The inspections comments for each engineer can be summarized as follows: a. Engineer 1: noticed that MCC has changed construction specifications after being reviewed and approved by the government engineering office. The building is complying with only 75% of GEO technical standards. b. Engineer 2: Air conditioning wiring system is designed by AC-Tech Company which owned by the father of Engineer 2. During inspection, Engineer 2 noticed that the AC wiring design is not reviewed for building safety requirements. MCC offered two months employment contract through the AC- Tech Company to review the project for safety requirements. C. Engineer 3 noticed that the ventilation mechanical system is design with low quality materials that would have negative impacts on building residents. Engineer 3 proposed to MCC to redesign the ventilation system and he would get a 12-month free rent for 2-bedroom apartment. After completing the design, he will also write a report to authorize the building for use and occupancy. What the three engineers should do or should have done to keep an ethical and professional practice and obligations? Answer this question in the provided spaces below