The December 31,2020, unadjusted trial balance for Musical Sensations after its second year of operations follows: Following are the additional information: a. A review of the Unearned Performance Revenue account revealed a balance remaining of $8,825. b. Annual depreciation on the musical equipment is $20,800. c. Accrued salaries at December 31 totalled $5,300. d. It was determined that $610 of the balance in the Office Supplies account had been used. Required: Use the above information to complete the work sheet below