A dealer offers a cash discount of 20% and still makes a profit of 20%, when he further allows 16 articles to a dozen to a particularly sticky bargainer. How much percent above the cost price were his wares listed?

A dealer offers a cash discount of 20% and still makes a profit of 20%

1.	A dealer offers a cash discount of 20% and still makes a profit of 20%, when he further allows 16 articles to a dozen to a particularly sticky bargainer. How much percent above the cost price were his wares listed?
A.	100%
B.	80%
C.	75%
D.	66(2/3)%
Answer» B. 80%