A \(\$500\) investment and a \(\$1,500\) investment have a combined yearly return of \(8.5\) percent of the total of the two investments. If the \(\$500\) investment has a yearly return of \(7\) percent, what percent yearly return does the \($1,500\) investment have?
(A) \(9\%\)
(B) \(10\%\)
(C) \(10 \frac58\%\)
(D) \(11\%\)
(E) \(12\%\)
Answer: A
Source: Official Guide