An investor buys a real estate asset for $$232,000$ and sells it exactly $11$ years later for $$496,000.$ The purchase and sale are net of carrying cost, transactions cost and income taxes. What was the annual before$-$tax rate of return on this investment?

Group of answer choices

$6\mathrm{.}75\%$

$7\mathrm{.}15\%$

$7\mathrm{.}89\%$

$10\mathrm{.}00\%$