First, Follow, and Predict Sets

Given the following grammar:

::$=$ a

::$=$

::$=$ b

::$=$ c $|$

$($a$)$ What is First$($A$),$ First$($B$),$ and First$($C$)?$

$($b$)$ What is Follow$($B$)$ and Follow$($C$)?$

$($c$)$ What is PREDICT$($ ::$=$ c $)$ and PREDICT$($ ::$=)$