The accounting records of Mason Service Company include the following selected, unadjusted balances at June 30:Accounts Receivable, $2,700; Office Supplies, $1,800; Prepaid Rent, $3,600; Equipment, $15,000; Accumulated Depreciation - Equipment, $1,800; Salaries Payable, $0; Unearned Revenue, $2,400; Office Supplies Expense, $2,800; Rent Expense, $0; Salaries Expense, $15,000; Service Revenue, $40,500.

The following data developed for adjusting entries are as follows:

a.Service revenue accrued, $1,400

b.Unearned Revenue that has been earned, $800

c.Office Supplies on hand, $700

d.Salaries owed to employees, $1,800

e.One month of prepaid rent has expired, $1,200

f.Depreciation on equipment, $1,500

Journalize the adjusting entries