The following factors shall be taken into consideration when determining whether just cause exists as referred to in Subparagraph 2, Article 20 of the Act:
1.supply and demand conditions in the market;
2.cost differences;
3.transaction amounts;
4.credit risks; and
5.other reasonable grounds.
In determining whether the discrimination mentioned in the preceding paragraph is likely to restrain competition, the totality of such factors as the intent, purposes, and market position of the parties, the structure of the market to which they belong, the characteristics of the goods or services, and the impact that carrying out such restrictions would have on market competition shall be considered.