The Kellogg Company is an American multinational food manufacturing company headquartered in Battle Creek, Michigan, United States. Kellogg produces cereal and convenience foods, including crackers and toaster pastries The Kellogg Company accepted a note receivable from one of their customers, Aldi Grocery Stores, in settlement of Aldi's account receivable. Aldi signed a $8,400; 3-month, 11% note to settle their overdue debt. At maturity Aldi sent a check that included the principal and all of the interest due on the note. What is the amount of the ALDIs check?