GAUSS7 2024 Problem 11

In the subtraction of the two-digit numbers shown, the letters P and Q each represent a single digit.

\begin{array}{r} 8 P \\ -\quad Q 6 \\ \hline 49 \end{array}

The value of P+Q is

Answer Choices
A. 7
B. 9
C. 11
D. 8
E. 10