INTEREST 



DIAGRAM I 



PERIODS REQUIRED FOR $1.00 TO MULTIPLY, AT DIFFERENT RATES OF 

 COMPOUND INTEREST* 



104 84 7* 



8lt 



70 75 



* A rate of 10 per cent, compounded, multiplies 20 times in 31 years. A rate of 

 i per cent compounded, doubles in 70 years. Even 6 per cent would, in 70 years, 

 multiply the principal 59 times. 



