In its first month of operations, Oriole Company made three purchases of merchandise in the following sequence: (1) 500 units at $8. (2) 600 units at $9, and (3) 700 units at $11. Oriole uses a periodic inventory system. (a 1) Youranswer is correct. Calculate weighted-average unit cost. (Round answer to 3 decimal places, e8. 5.125.) Weighted-Averagetunit cost Compute the cost of the ending inventory under the average-cost method, assuming thereare 400 units on hand at the end of the period. (Round answer to 0 decimal ploces, eg. 125.) Cost of the ending inventory