A sells an article to B at a profit of 10% B sells the article back to A at a loss of 10%. In this transaction:

A sells an article to B at a profit of 10% B sells the article back to

1.	A sells an article to B at a profit of 10% B sells the article back to A at a loss of 10%. In this transaction:
A.	A neither losses nor gains
B.	A makes a profit of 11%
C.	A makes a profit of 20%
D.	B loses 20%
Answer» C. A makes a profit of 20%