Four positive integers a, b, c, and d have a product of 8 ! and satisfy
\begin{aligned}
a b+a+b=524 \\
b c+b+c=146, \text { and } \\
c d+c+d=104
\end{aligned}
What is a-d ?
Answer Choices
A. 4
B. 6
C. 8
D. 10
E. 12
Four positive integers a, b, c, and d have a product of 8 ! and satisfy
What is a-d ?
Answer Choices
A. 4
B. 6
C. 8
D. 10
E. 12