QRB 501 Week 6 FINAL EXAM 1. An invoice received from Royal Exporters totaled $638.20, was dated October 10, and offered terms of 1/11 ROG. The shipment was received November 27. If the invoice was paid on December 12, find the net amount due. Round to the nearest cent Solve the problem. Round amounts to the nearest cent and percents to the nearest tenth of a percent. Cost = $4.04; Selling price = $7.12. Find the markup and the rate of markup based on cost. Barbara knows that she will n...