Determine the amounts of the missing items, identifying them by letter. Additional Instruction Letter Rainier Company Yakima Company a. $281,960 $ b. $341,200 $ c. $ $ d. $ $ e. $ $ f. $ $ Points: 0 / 12 Check My Work For Rainier Company: (Note: Use similar relationships to find the missing amounts for the Yakima Company items a through f.) a. The beginning and ending materials inventory amounts and the amount of materials purchased are used in the calculation of the cost of direct materials used in production. b. The three costs of a manufactured product are added to determine total manufacturing costs incurred during May. c. The beginning and ending work in process inventory amounts and