OBJECTIVES 4, 5 B. Determine the cash discount and net amount due on these invoices. Round your answers to the nearest cent. Invoice Amount Paid Within Discount Period Returned Merchandise Shipping Charges Cash Discount Net Amount Due Terms $534.78 2/10, n/45 yes none $13.25 7. 8. $638.00 1/10, n/30 yes $33.50 none 9. 10. $213.72 2/10, n/30 no none $15.50 11. 12