Answer:
Insert into Invoice_line_items table (Invoice_sequence, account_number,line_item_amount,line_item_description)
Values ( 1,160,$180.23,Hard drive)
values (2,527,$254.35,Exchange Server)
update statement
Update Invoice_Line_items table
set invoice_sequence = 'new values'
Explanation:
New values being the values generated by MySQL for the invoice. Those values are not available in the question.
invoice_sequence acted as invoice ID