ORDER $($order#$,$ customer#$,$ name, address, orderdate, note$)$

$21$a$.$ List all functional dependencies

$21$b$.$ What is the key? $($Note$,$ to analyze or normalize a table, you MUST figure out the key of the table first$)$

$21$c$.$ What Normal Form$$is this table in$?$Why$?$ Use the definition of the normal form that applies to justify your conclusion

$21$d$.$ Normalize the table into a set of tables that are at least $3$NF$.$