The ledger of Greg Rentals on 30 June 2019 includes the following selected accounts before adjusting entries have been prepared:

	Debit $	Credit $
Prepaid insurance	21000
Supplies	15000
Equipment	162000
Accumulated depreciationequipment		32400
Bank loan		130000
Rent revenue received in advance		52500
Rent revenue		390000
Wages expense	91000

An analysis of the accounts shows the following adjustments that need to be made:

1. The equipment depreciates $2700 per month.
2. The rent revenue received in advance was for 7 months commencing 1 June.
3. Interest of $2600 is accrued on the bank loan.
4. Supplies on hand total $4750.
5. The benefits of prepaid insurance expire at the rate of $1750 per month.

Required

a) Prepare the adjusting entries at 30 June 2019.

b) Determine the adjusted balances of the following general ledger accounts at 30 June 2019.

	Debit $	Credit $
1. Rent revenue received in advance
2. Supplies
3. Prepaid insurance