$1\mathrm{.}18\%$

Question $5$

$1$ pts

The S&P $500$ index delivered a return of $23\%,-10\%,19\%,$ and $10\%$ over four successive years. What is the arithmetic average annual return for four years?

$10\mathrm{.}50\%$

$8\mathrm{.}75\%$

$12\mathrm{.}50\%$

$9\mathrm{.}63\%$

$11\mathrm{.}56\%$

$13\mathrm{.}13\%$