Journalize the adjusting entries for the following adjustments at March 31, the end of the accounting period, omitting explanations.
a. Employee salaries owed for Monday through Thursday of a five-day workweek equals $8,500.
b. Unearned service revenue now earned, $500.
c. Depreciation, $2,100.
d. Prepaid rent expired, $650.
e. Interest revenue accrued, $1,050.