Ivan, an engineer, is contracted by the government to perform certain feasibility studies relating to a possible highway spur. The government is considering the possibility of constructing the highway spur through an area that is adjacent to a residential community in which Ivan's residential property is located. After learning of the proposed location for the spur, Ivan does not disclose to the government the fact that his residential property may be affected by the new spur and continues to proceed with his feasibility study and ultimately recommends that the spur be constructed. Finally, the highway spur is constructed. He is very happy with the results because his house price rises a lot due to the newly constructed highway spur. He gave a very expensive red wine (worth $20,000) to the government official whom he has dealt with. (a) Identify TWO ethical issues associated with the above scenario. Explain your answer with supporting evidence in the scenario. (b) Suggest TWO preventive measures for the ethical issue identified in part (a) from happening.