Using the following schema for invoices tables invoice_id vendor_id invoice_number invoice_date invoice_total payment_total credit_total terms_id invoice_due_date payment_date INT PRIMARY KEY INT NOT NULL VARCHAR(50) NOT NULL DATE NOT NULL DECIMAL(9,2) NOT NULL DECIMAL(9,2) NOT NULL DEFAULT(0) DECIMAL(9,2) NOT NULL DEFAULT(O) INT NOT NULL DATE NOT NULL DATE What are the invoice ids where the invoice total is greater than $1,000 and have not been paid (payment_date has a null value). o select invoice_id from invoices where invoice_total > 1000 and payment_date is null select invoice_id from invoices where invoice_total > 1000 and payment_date = null o select invoice_id from invoices where invoice_total > $1000, payment_date is null select invoice_id from invoices where invoice_total > 1000 and payment_total is null