The price of a commodity is 132 yuan. If it is sold at a 10% discount on the price, it can still make a profit of 10%, then the purchase price of the commodity is () A. 105 yuan B. 100 yuan C. 108 yuan D. 118 yuan

The price of a commodity is 132 yuan. If it is sold at a 10% discount on the price, it can still make a profit of 10%, then the purchase price of the commodity is () A. 105 yuan B. 100 yuan C. 108 yuan D. 118 yuan

Suppose the purchase price is x, then the equation can be formulated according to the meaning of the problem: 132 × 90% - x = 10% · x, and the solution is: x = 108 yuan; therefore, C