Solve the Problem Using a System of Equations $6 \%$ Interest Than He Did in an Account Paying

Multiple Choice

Solve the problem using a system of equations.
-Paul invested four times as much money in an account paying $6 \%$ interest than he did in an account paying $1 \%$ interest. If the total interest paid was $\$ 1000$ , how much did he invest in each?

A) $\$ 160$ at $6 \%, \$ 40$ at $1 \%$
B) $\$ 4000$ at $6 \%, \$ 16,000$ at $1 \%$
C) $\$ 16,000$ at $6 \%, \$ 4500$ at $1 \%$
D) $\$ 16,000$ at $6 \%, \$ 4000$ at $1 \%$