If Arnold Invests $\$ 6500$ At $4 \%$ Per Year, How Much Additional Money Must He Invest At How

Multiple Choice

If Arnold invests $\$ 6500$ at $4 \%$ per year, how much additional money must he invest at $10 \%$ to ensure that the interest he receives each year is $8 \%$ of the total invested?

A)
$\$ 13,000$
B)
$\$ 12,375$
C)
$\$ 18,000$
D)
$\$ 21,000$
E)
$\$ 22,500$