Direct loss: 79+ 18=97 (yuan) and indirect loss: 79+2 1= 100 (yuan) (in this transaction, he got 3 yuan from his own labor. Imagine, if it weren't counterfeit money, would Mr. Wang increase his 3 yuan money? Isn't this a loss? Why do you get the wrong answer? 1, many people got off the horse after "borrowing 100 yuan". 197. In fact, the relationship between Boss Wang and the neighborhood is only the relationship between borrowing 100 yuan and returning 100 yuan. In this process, no one has benefited and no one has lost. 2. Many people don't count the 3 yuan of labor income paid in the transaction when calculating the money. 97 yuan: These are two major mistakes.