Contract Cleaners Pty Ltd began operations on $1$ July $2019.$

During July the following trans$-$ actions were completed:July $113512182021253131$July $1$ Issued $$27000$ shares for cash.

$1$Purchased used truck for $$18000,$

paying $$9000$ cash and the balance on account.$3$ Purchased cleaning supplies for

$$2700$ on account.

$5$ Paid $$3600$ cash on $1-$year insurance

policy effective $1$ July.

$12$ Invoiced customers $$7500$ for cleaning

services.

$18$ Paid $$3000$ cash of amount owed on truck and

$$1500$ of amount owed on cleaning supplies.$20$ Paid $$3600$ cash for employee

salaries.

$21$ Collected $$4200$ cash from customers

invoiced on $12$ July.

$25$ Invoiced customers $$6000$ for cleaning

services.

$31$ Paid petrol and oil for month on truck

$$600.$

$31$ Paid $$1800$ cash dividend.The chart of accounts for Contract Cleaners Pty Ltd contains the

following accounts and account numbers: $100$ Cash, $110$ Accounts

receivable, $120$ Cleaning supplies, $130$ Prepaid insurance, $171$ Motor

vehicles, $172$ Accumulated depreciation$$motor vehicles, $200$ Accounts

payable, $210$ Salaries payable, $300$ Share capital, $310$ Retained

earnings, $315$ Dividends, $320$ Profit or loss summary, $400$ Service

revenue, $500$ Petrol and oil expense, $510$ Clean$-$ ing supplies

expense, $520$ Depreciation expense, $530$ Insurance expense, and $540$

Salaries expense.Required$($a$)$Journalise the July transactions.$($b$)$Post to the ledger accounts $($use T accounts$).($c$)$Prepare a trial balance as at $31$ July.$($d$)$Journalise the following adjustments$\mathrm{.}1.$ Services provided but not invoiced and uncollected at $31$ July

were $$3300.2.$ Depreciation on the truck for the month was

$$600.$

$3.$ One$-$twelfth of the insurance expired.

$4.$ An inventory count shows $$1800$ of cleaning supplies on hand at

$31$ July. $5.$ Unpaid employee salaries were $$1200.($e$)$Post adjusting entries to the T accounts you prepared

in part $($b$).($f$)$Prepare an adjusted trial balance.$($g$)$Prepare the statement of profit or loss and a

calculation of retained earnings for July, and prepare a classified

statement of financial position as at $31$ July.$($h$)$Journalise and post closing entries and complete the

closing process, as if it were the end of the financial year.$($i$)$Prepare a post$-$closing trial balance at $31$ July.$($j$)$What is the change in reported profit as a result of

the adjusting entries?