Harrison Company has a July 31 fiscal year end and uses a perpetual inventory system. The records of Harrison Company show the following data: | | 2021 | | 2020 | | 2019 | Income statement: | | | | | | | | | | Sales | | $350,000 | | | $330,000 | | | $310,000 | | Cost of goods sold | | 245,000 | | | 235,000 | | | 225,000 | | Operating expenses | | 76,000 | | | 76,000 | | | 76,000 | | Balance sheet: | | | | | | | | | | Merchandise inventory | | 55,000 | | | 45,000 | | | 35,000 | | After its July 31, 2021, year end, Harrison discovered two errors: 1. | | At July 31, 2020, Harrison had $10,000 of goods held on consignment at another company that were not included in the physical count. | 2. | | In July 2020, Harrison recorded a $15,000 inventory purchase on account that should have been recorded in August 2020. | | | | |