The calculations are very bad, right? If the discount is 10%, The calculation should be = Original price - original price x 10%, The rope is told to only calculate the original price x 10%. The original price was 36k and after deducting the cost of the corpse, MC only paid 3k, bad math. If the author wants to pay small points, he should just give a 90% discount.

After chapter 155, the story returns to the previous dozens of chapters.