A partial trial balance of Kingbird Corporation is as follows on December 31, 2018. Additional adjusting data: 1. A physical count of supplies on hand on December 31, 2018, totaled $1,200. 2. Through oversight, the Salaries and Wages Payable account was not changed during 2018. Accrued salaries and wages on December 31, 2018, amounted to $4,300. 3. The Interest Receivable account was also left unchanged during 2018. Accrued interest on investments amounts to $4,400 on December 31, 2018. 4. The unexpired portions of the insurance policies totaled $66,000 as of December 31, 2018 5. $28,200 was received on January 1, 2018, for the rent of a building for both 2018 and 2019. The entire amount was credited to rent revenue. 6. Depreciation on equipment for the year was erroneously recorded as $5,200. 7. A further review of depreciation calculations of prior years revealed that equipment depreciation of 7,400 was not recorded. It was decided that this oversight should be corrected by a prior period adjustment