SVB$\text{'}$s HTM bond portfolio had an average duration $5\mathrm{.}5$ and has a value of $90$ billion. Interest rates increased by $350$ basis points from $1\%.$ Use duration to approximate the impact of changes in interest rate on the value of SVB$\text{'}$s HTM bond portfolio.

$25$ Billion

$18$ Billion

$100$ Billion

$100$ Million