Brief Exercise 6-04 21-a2 (Part Level Submission) In its first month of operations, Waterway Company made three purchases of merchandise in the following sequence: (1) 320 units at $8 (2) 440 units at 9 and (3) 240 units at 10 Calculate the average unit cost. (Round answer to 2 decimal places, e.g. 15.25.) Average unit cost Attempts: 8 of 2 used SUBMIT ANSWER The parts of the question must be completed in order this part will be able when you complete the part above