Spartan Company sells computers and uses the perpetual inventory method. Inventory was stated as $40,000 on the books at December 31, 2020. At the close of the year, a new approach for compiling inventory was used and apparently a satisfactory cut-off for preparation of financial statements was not made. Some events that occurred are as follows. 1. Computers shipped to a customer on January 2, 2021, costing $5,000 were included in inventory at December 31, 2020. The sale was recorded in 2021. 2. Computers costing $15,000 received on December 30, 2020 were recorded as received on January 2, 2021. 3. Computers received during 2020 costing $4,600 were recorded twice in the inventory account. 4. Computers shipped to a customer on December 28, 2020, f.o.b. shipping point, which cost $10,000, were not received by the customer until January 4, 2021. The Computers were included in the ending inventory. 5. Computers on hand that cost $6,100 were never recorded on the books. 6. $6,000 inventory received on consignment on Dec. 31, 2020 were not included in inventory.