Examine the REA model for Winston Industrial Supply that appears in Figure 6.18. For eac...

Examine the REA model for Winston Industrial Supply that appears in Figure 6.18. For each of the six entities in the model, list the attributes that a database designer should include in each table. Identify primary key attributes with (PK) and composite primary key attributes with (CPK). State any assumptions you needed to make, and be prepared to defend the rationale for the attributes you have chosen.