JB Adams Inc. had the following purchase transactions in May Date of Purchase Number of Units Cost per Unit Total Cost May 5 500 $4 $2,000 May 10 700 $6 $4,200 May 15 400 $4.50 1,800 Adams sells 1,200 units on May 20 and uses the LIFO method of inventory costing. What is Adams' Cost of Goods Sold? 6,400 6,000 00 6.200 JB Adams Inc. had the following purchase transactions in May Date of Purchase Number of Units Cost per Unit Total Cost May 5 500 $4 $2,000 May 10 700 $6 $4,200 May 15 400 $4.50 1,800 Adams sells 1,600 units on May 30 and uses the Weighted Average method of inventory costing. What is Adams' Ending Inventory? 1,800 8,000 800 00