Chapter 5 Homework 4 Required information. Problem 5-1A Perpetual Alternative cost flows LO P1 The following intonation apes to the questions payed below Weerwoods Company uses a perpetual inversory system it entered onto the following purchases and sales transactions for March Purchase Purchase Problem 5-1A Part 4. 4. Compune gross prott earned by the company for each of the four costing methods. For specific identification, the March 9 sale consisted of 80 units hom beginning inventory and 340 units from the March 5 purchase the Merch 29 se consted of 40 us from the March 1 purchase and 120 unes from the March 25 purchase pound weighted average cost per unit to two decimals and final answers to nearest whole dollar) Gross Margi FFO LFD Arg Call Cost of good