Bell's Pharmacy Reported Cost of Sales as Follows

Short Answer

Bell's Pharmacy reported cost of sales as follows:
Bell's made two errors:
(1) 2018 ending inventory was overstated by $3,000.
(2) 2019 ending inventory was understated by $9,000.
Assuming the errors had not been corrected, indicate the dollar effect that the errors had on the items appearing on the financial statements listed below. Also indicate if the amounts are overstated (O) or understated (U).