248 SUCCESS IN BUSINESS. 



the key-word. Any mark or character may be used to rep- 

 resent a figure instead of a letter. Fractions may be writ- 

 ten thus, 473f:=m ; or by an arbitrary mark, thus, o 



may represent f, then 473f=^'o. Sometimes the cost 

 mark is written below a line, and the selling price above ; 

 thus, 



4.62 tsh sell. pr. 



3.24 iht cost. 



