On January $1$ of Year $1,$ Congo Express Airways issued $$4,700,000$ of $7\%,$ bonds that pay interest semiannually on January $1$ and July $1.$ The bond issue price is $$4,343,000$ and the market rate of interest for similar bonds is $8\%.$ The bond premium or discount is being amortized using the straight$-$line method at a rate of $$10,500$ every six months. The life of these bonds is:

Multiple Choice

$11$ years.

$41$ years

$45$ years.

$34$ years.

$17$ years.