Mel's Hair Salon uses a perpetual inventory system, recorded the following inventory transactions for this year. Purchases Sales Units Unit Cost Units Selling Price Unit Apr 1 Beginning inventory 90 $ 16 25 Purchase 300 18 May 4 Purchase 130 20 16 Sale 240 $32 Jun 4 Purchase 100 24 Instructions (a) Using the FIFO cost formula, calculate the cost of goods sold for the quarter ended June 30. Show calculations. (b) Using the average cost formula, calculate the ending inventory at June 30. Show calculations and use unrounded numbers in your calculations but round to the nearest cent for presentation purposes in your answer. You are to complete the questions above on appropriate separate document(s)Acceptable formats include: word document, excel documents, documents written by hand (scanned and uploaded as a pdf or jpeg file), or any template you have access to that fulfils the question requirements. You will then upload this or 'drag and drop the file(s) into the upload box at the bottom of this question box