The Following Three FIs Dominate a Local Market and Their

Multiple Choice

The following three FIs dominate a local market and their total assets are given below.
$\begin{array}{lccc} \text {Institution }& \text { Asset Size}\\ \text {Bank A}&\$ 50 \text { million}\\ \text {Bank B}& \$ 60 \text { million}\\ \text {Bank C}&\$ 90 \text { million}\\\end{array}$
If Bank A acquires Bank B,what is the new Herfindahl-Hirschman Index (HHI) ?

A) 60.
B) 100.
C) 5,800.
D) 5,050.