b, $4,800 c. $4,400 d. $3,600 34. When WeCo begins operations in 20X4, it chooses the periodic method and LIFO average costing. During 20X4, WeCo makes the followin costing. Within a given year's LIFO layer, it uses weighted g merchandise purchases: May 30 June 24 October 11 December4 400 $4 800 @ $5 900 $7 1,400 $6 If the December 31, 20X4 ending inventory is 1,000 units, and the De- cember 31, 20X5 ending inventory is 300 units, what is the 20X5 ending inventory? b. $1,380 c. $1,740 d. $1,800 a. $1,200