Prepare December 31, 2017, adjusting entries for English Corporation for each of the following items:

a. An inventory of office supplies on hand reveals a count of $1,800. The ledger reflects a balance in the office supplies account of $3,700.

b. On December 1, 2017, English collected rent of $7,200 (for December 2017 and January 2018 rent) from a tenant renting some space in its warehouse. The entry on December 1 debited Cash and credited unearned rent revenue for $7,200.

c. English borrowed $40,000 from its bank on May 1, 2017. The entry recorded at that time included a credit to notes payable for $40,000. No payments are due until 2018. The annual interest rate is 12%.

d. A one-year insurance policy insuring the company's truck was purchased on October 1, 2017. The entry at that time included a debit to prepaid insurance of $4,800.

e. Depreciation expense for 2017 was $13,000.