This Subject is Financial Accounting please give me proper and accurate answer according to the questions soon as possible don't copy from other i will give you thumb

Question no 1 20 Mark Company uses a perpetual inventory system. It entered the following calendar-year 2013 purchases and sales transactions. (For specific identification, the May 9 sale consisted of 80 units from beginning inventory and 100 units from the May 6 purchase; the May 30 sale consisted of 200 units from the May 6 purchase and 100 units from the May 25 purchase.) May 1: May 6: May 9: May 17: May 25: May 30: Beginning inventory Purchase Sales Purchase. Purchase. Sales Total 150 units @ $300.00 per unit .350 units @ $350.00 per unit 180 units @ $1,200.00 per unit .80 units @ $450.00 per unit .100 units @ $458.00 per unit 300 units @ $1,400.00 per unit 680 units 480 units Required 1. Compute the cost assigned to ending inventory using (a) FIFO, (b) LIFO, (c) weighted average, and (d) specific identification