The accounting records of Belmont Publishing Company include the following unadjusted balances at May 31: Accounts Receivable, $1,300; Supplies, $900; Salary Payable, $0; Unearned Service Revenue, $800; Service Revenue, $14,400; Salary Expense, $4,200; Supplies Expense, $0. Belmont's accountant develops the following data for the May 31 adjusting entries:

a. Supplies on hand, $300.

b. Salary owed to employees, $2,000.

c. Service revenue accrued, $600.

d. Unearned service revenue that has been earned, $700.

Open the foregoing T-accounts with their beginning balances. Then record the adjustments directly in the accounts, keying each adjustment amount by letter. Show each account's adjusted balance. Journal entries are not required.