Fig.P6 (Appendix I) is a drawing for ICCP system to protect a steel tank from corrosion for company (X). There is a steel pipe in the vicinity of company (X). Answer the following questions: a) Why there is localized corrosion on the steel pipe of company (Y)? b) Indicate the cathode area and the anode area on the steel pipe of company(Y) c) Modify Fig.P6A to avoid the localized corrosion. Do this modification on Fig.P6B