Sam refuses to retire until his retirement account has a balance of at least $$382,411$

$.$ Sam refuses to make any more deposits in the account. The account currently has a

balance of $$100,148$ and earns $6\%$ per year, compounded semi$-$annually. How long

does Sam have before he will retire?

You are computing number of years. Round your answer to one decimal place. For

example, record $14\mathrm{.}294$ years as $14\mathrm{.}3.$