Q$4.[$Points: $35]($Reference: Textbook Minicase MC$8,$ pp$.100)$

Map the ER diagram for the Jones Dozers Sales and Rentals Database, shown in Figure $1,$ into a relational schema using ERDplus. Insert the relational schema image as you answer.

$[$Hint: You can first create this ER diagram in ERDplus and then convert it to a relational schema. Verify the converted relational schema to ensure correctness.$]$