The dependency diagram in Figure 1 indicates the Patient Bill.

Based on the dependency diagram in Figure 1, create the dependency diagram in 2NF.

Based on the dependency diagram in Figure 1 and your 2NF diagram, create the dependency diagram in 3NF.

InvoiceNbr AccountNbr InvoiceDate DueDate PatientNbr PatientName PatientAddress City State Zip DateAdmitted DateDischarged ItemCode ItemDescription ItemCharge