For each entity, please be sure to specify the primary key$-$if it does not exist, you must create

the field. In addition, please specify all attributes for the entity, as illustrated in the Customer

entity above.

For each relationship drawn on this diagram, be sure to specify: A$)$ the relationship type $(1$:$1,$

$1$:many, many:many$)$ using hash marks and crow's foot notation; B$)$ whether the relationship is

mandatory or optional using hash marks and circles; and C$)$ minimum and maximum

cardinalities using parentheses notation $($you may hand$-$write these in$).$ Also please be sure to

specify all constraints on the supertype$/$subtype relationships $($i$.$e$.,$ whether they are

overlapping or disjoint and whether they are partially or totally complete$).$

For Problem $3,$ you may hand$-$write your cardinalities in$.$ Please ensure that your ER Diagram

breaks correctly and is readable.