If one dollar be invested and the interest added to the principal annually, at the rates named, we shall have the following result as the accumulation of one hundred years:

One dollar, 100 years at 1 per cent, $2%;

2 per cent............................. $ 7 1/4

One dollar, 100 years at 3 per cent, $19 1/4;

4 per cent............................. 50 1/2

One dollar, 100 years at 5 per cent........ 131 1/2

One dollar, 100 years at 6 per cent........ 340

One dollar, 100 years at 7 per cent........ 868

One dollar, 100 years at 8 per cent........ 2,203

One dollar, 100 years at 9 per cent........ 5,513

One dollar, 100 years at 10 per cent........ 13,809

One dollar, 100 years at 12 per cent........ 84,675

One dollar, 100 years at 15 per cent........ 1,174,405

One dollar, 100 years at 18 per cent........ 15,145,000

One dollar, 100 years at 24 per cent........ 2,551,799,404