According to the given statement, Company XYZ has announced 50% off on all the Electronic items till 26th November 2020. This means after 26th November 2020 the percentage of discount may be more or less but it does not hint that no discount will be provided. So, Conclusion I does not follow. Here, conclusion II states that there is no sale of Electronic items after 26th November 2020 which is not a valid conclusion. So, conclusion II does not follow. Hence, neither I nor II follows.