Solve
-Fill in the Missing Digits in the Problem $$\begin{array} { r } 8 - \\\times \quad - 1 \\\hline 84 \\2520 \\\hline2604\end{array}$$

Multiple Choice

Solve.
-Fill in the missing digits in the problem. $$\begin{array} { r } 8 - \\\times \quad - 1 \\\hline 84 \\2520 \\\hline2604\end{array}$$

A) 4, 3
B) 1, 2
C) 8, 6
D) cannot be determined