Please solve this problem using the $18$ implication and equivalence rules.

$($You can type the proof into the answer window below or insert an image or document using Upload image or Upload document function above.$)$

$1.$ A

$2.$ C v $($D $->$ ~B$)$

$3.$~$($D $$ B$)->$~A $/$ C

$4.$

$5.$

$6.$

$7.$

$8.$