California Investors Recently Advertised the Following Claim: Invest Your Money

Multiple Choice

California Investors recently advertised the following claim: Invest your money with us at 21%,compounded annually,and we guarantee to double your money sooner than you imagine.Ignoring taxes,how long would it take to double your money at a nominal rate of 21%,compounded annually? Round off to the nearest year.

A) Approximately two years
B) Approximately four years
C) Approximately six years
D) Approximately eight years