Below is the post-closing trial balance of Maddison Consultancy Services as at 30 June 2019:

	Debit $	Credit $
Cash at bank	25500
Accounts receivable	5500
Equipment	27000
Accumulated depreciation - Equipment		450
Accounts payable		9500
Wages payable		3000
Revenue received in advance		1750
Maddison, Capital		43300
	58000	58000

The following transactions occurred during the month July 2019.

July	1	Paid employee salaries, $3000 for June. Maddison pays her employees accrued salaries on the first day of each calendar month.
	8	Invoiced customers for consultancy services performed, $8750.
	14	Performed $750 of services for customers who paid in advance in June for consultancy services to be performed in July.
	15	Paid $5400 for 3 months office building rent.
	25	Maddison redrew capital of $1250.
	31	Purchased office supplies on account for $650.

Required

b) Prepare an unadjusted trial balance as at 31 July 2019. (5 Marks) (Total 20 Marks)