Question 4 (12) Various supplier performance-rating methods exist to assist buyers in evaluating suppliers performance, including subjective, survey, comparative, weighted-point, percentage-based and cost-based methods. MTN will need to consider the specific context of Eskom's situation before identifying the most effective method to evaluate their performance. Judge every supplier performance-rating method listed based on its relevance for assessing Eskoms performance and conclude which method will be most effective to manage Eskom's performance. Question 5 (5) MTN and Eskom continued their negotiations to resolve the issues of payment and abruptly ended electricity supply after the court granted the interdict. The two companies eventually reached a settlement. Debate (provide arguments against and for) and conclude whether negotiations were conducted ethically.