i have problem solving this. so kindly please be clear how you write it, so i understand. thanks

Layout References Review View Help Editing I U DAV.. 12 ' ' Ev Av Sam's Corner Store has the following purchase and sales information for one of their inventory items Date Feb 1 Feb 9 Feb 15 Feb 17 Feb 25 Opening inventory Purchase Sale Purchase Sale Units 20 50 30 $/Unit $16 $18 $30 $22 $32 Total $320 $900 $900 $880 $640 40 20 Required: For (a) and (b) assume the company uses the periodic inventory system. (a) Calculate the gross profit (margin) if the company uses first-in, first-out (FIFO) nglish (Canada) search o 2011 (1) - Saved O Search References Review View Help Editing 12 V A AB I U Av. (b)Calculate the value of the ending inventory if the company uses weighted average. AN For (C) and (d) assume the company uses the perpetual inventory system. (c)What is the value of the ending inventory if the company uses FIFO? h (Canada) o rch tion 011 (1) - Saved Search out References Review View Help Editing Av...vvv Av ~ 12 v A AAB I U (d)What is the cost of goods sold for the Feb 25 sale if the company uses FIFO to cost the inventory