just need a and b on 5-10 have to use the table in 5-8

Hemming Co. reported the following current-year purchases and sales for its only product. Exercise 5-8 Periodic Inventory costing methods-FIFO and LIFO P1 Dete Acavities Units Sold at Retall Units Acquired at Cost 200 units $10 $ 2.000 150 is a 500 Beginning into Sales Purchase 350 315 5.250 X540 l 1 a 10 Ma. 14 Mar 15 July 30 Oct 5 Oct 25 450 520 9.000 00 540 Purchase Sales Purchase Total 100 a $25 1.100 units 2.500 $18.750 380 Required to cost sits from the March 1 Refer to the Exercise 5-9 Specificide P1 Fount of good Exercise 5.104 Perpetual inventory costing P3 Refer to the informationsteche 5-8 and assume the perpetual inventory system is used. Determine the costs assigned to ending inventory and to cost of goods sold using a FIFO and () LIFO. Compute the gross profit for each method