DISCOUNT BY DECIMALS. 



^93 



DISCOUNT BY DECIMALS. 



RULE.* 



As the amount of il. for the given time is to il. so is 

 the interest of the debt for the said ^ time to the discount 

 required. 



Subtract the discount from the principal, and the re- 

 mainder will be the present worth. 



EXAMPLES. 



I. What is the discount of 573I. 15s. due 3 years 

 hence, at 4^ per cent, per annum ? 



•04^ 

 ^ ■ ■ 



* Let m represent any debt, and n the time of payment ; then 

 will the following tables exhibit all the variety, that can happea 

 with respect to present worth and discount. 



A A 



Of 



