plez help answer part B. part A is done.

Question 1 of 4 0.5/1 You are viewing Attempt 3/Continue Work Skysong Company uses a periodic inventory system. For April, when the company sold 600 units, the following information is available. Unit Cost $16 April 1 inventory April 15 purchase April 23 purchase Units 270 410 320 1.000 19 Total Cost $ 4.320 7.790 6,720 $18,830 21 (a) Your answer is correct Calculate weighted average cost per unit. (Round answer to 2 decimal places, es 2.76) Weighted average cost per unit S 18.8 Your answer is correct. Calculate weighted average cost per unit. (Round answer to 2 dedmal places, eg. 2.76) Weighted average cost per unit $ 18.83 eTextbook and Media Attempts: 1 of 3 used (6) x your answer is incorrect Compute the April 30 inventory and the April cost of goods sold using the average cost method. (Round answers to 0 decimal places.ee 2.760) Ending inventory $ 790 Cost of goods sold 5 120