The following is a partial balance sheet for Sumac Inc. For 2020 and 2021 2021 2020 Cash 120,000 87,000 Receivables 82,000 115,000 Inventory 212,000 158,000 Property, Plant and Equipment (PPE) 720,000 774,000 Accumulated deprciation 490,000 Accounts payable 78,000 81,000 Interest payable 6,238 7,586 Unearned revenue 15,500 12,100 Retained earnings 43,000 22,000 Additional information 1. The Accumulated Depreciation account has been credited for the depreciation expense for the period. One asset was disposed of during the year. The original cost of the asset sold was $250,000. The asset had a net book value of $50,000 on the date of sale.