The reasoning is here again...
Question 1: Merchant A purchases a certain item at an original price of 48 yuan and sells it for 50 yuan. B comes with 100 yuan to buy one, but A has no change and goes to C to exchange the 100 yuan. Later, C discovers that the 100 yuan is counterfeit and asks A to settle it. A admits it and compensates C with 100 yuan. Question: How much did A lose in the entire story?
