![](http://pdfasset.owneriq.net/c/18/c180c6d5-985e-40e4-e159-615846c65402/c180c6d5-985e-40e4-e159-615846c65402-bg26.png)
AR
A
B
AC IN
A
• , B
,
•
(–) (+),
R
L