Consider the following investment alternatives:

$\backslash$table$[[$Investment$,$Rate,Compounding$],[$A$,6\mathrm{.}626\%,$Annual$],[$B$,6\mathrm{.}4397\%,$Daily$],[$C$,6\mathrm{.}5151\%,$Quarterly$],[$D$,6\mathrm{.}5036\%,$Monthly$]]$

Which alternative offers you the lowest effective rate of return?

A$.$ Investment A

B$.$ Investment B

C$.$ Investment C

D$.$ Investment D