Sun Do sells key chains with leather fobs for $12 and $9. The key chains are very similar and have identical manufacturing costs. The difference is that the stitching on the leather fob has a less precise pattern on the $9 key chain than on the $12 key chains. What approach to price discrimination is Sun Do using? Group of answer choices segmenting the market through bad service shopping around as a form of group pricing offering imperfect goods as part of the hurdle method offering alternate versions through timing as part of the hurdle method