And that unconsumed surplus, sold abroad, becomes what we call our favorable balance of trade.

Are we all agreed so far ?" "Surely it is a waste of time to elaborate these A B C's of commerce," Mr.Calvin said tartly.

"We all understand them." "And it is by these A B C's I have so carefully elaborated that I shall confound you," Ernest retorted.

"There's the beauty of it.

And I'm going to confound you with them right now.