Calculate the annual arithmetic mean and geometric mean return on the following security, purchase price $=$ $$25$; first$-$year dividend $=$ $$2$; price after one year $=$ $$30$; second$-$year dividend $=$ $$2$; selling price after two years $=$ $$23.($Round intermediate calculations to $3$ decimal places, e$.$g$.15\mathrm{.}251\%$ and the final answers to $2$ decimal places, e$.$g$.15\mathrm{.}25\%.)$

Arithmetic average return

$\%$

$\%$

Geometric mean return

State which method is more appropriate for the situation.