13. A piece of clothing is marked at 132 yuan. If it is sold at a 90% of the marked price, a profit of $10 \%$ can still be made. Then the purchase price of this piece of clothing is ( ) yuan.
(A) 106
(B) 105
(C) 118
(D) 108
13.D.
$$
132 \times 90\% \div (1+10\%) = 108 \text{ (yuan). }
$$