In its first month of operations. Blue Spruce Corp: made three purchases of merchandise in the following sequence: (1) 120 units at $7 (2) 540 units at $8. and (3) 115 units at $9. (1) Calculate the weighted average unit cost. (Round answer to 3 decimal places. eg 15.225) Weighted average unit cost S eTextbook and Media Attempts: 0 of 3 used Submit A Save for Late (2) The parts of this question must be completed in order. This part will be available when you complete the part above