For table $2$: ORDER$\_$LINE $($order#$,$ product#$,$ description, quantity, unit price$)$

$22$a$.$ List all functional dependencies

$22$b$.$ What is the key? $($Note$,$ to analyze or normalize a table, you MUST figure out the key of the table first$)$

$22$c$.$ What Normal Form is this table in$?$ Why? Use the definition of the normal form that applies

$22$d$.$ Describe a specific modification anomaly that may occur in ORDER$\_$LINE table.

$22$e$.$ Normalize the table into a set of tables that are at least $3$NF$.$