4A company’s policy as regards depreciation of its plant and machinery is to charge depreciation at 20 per cent per year on cost, with proportional depreciation for items purchased or sold during a year.
　　The company’s plant and machinery at cost account for the year ended 30 September 2003 is shown below:
　　Plant and machinery – cost 2002$2003$
　　1 OctBalance (all plant purchased200,00030 Jun Transfer disposal account40,000 after 1999)
　　2003
　　1 AprCash-purchase of plant50,00030 Sept Balance210,000
　　––––––––––––––––
　　250,000250,000
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　　What should be the depreciation charge for plant and machinery (excluding any profit or loss on the disposal) for the year ended 30 September 2003?
　　A$43,000
　　B$51,000
　　C$42,000
　　D$45,000
　　5A company’s trial balance failed to agree, the totals being:
　　Debit$815,602
　　Credit$808,420
　　Which one of the following errors could fully account for the difference?
　　AThe omission from the trial balance of the balance on the insurance expense account $7,182 debit
　　BDiscount allowed $3,591 debited in error to the discount received account
　　CNo entries made in the records for cash sales totalling $7,182
　　DThe returns outwards total of $3,591 was included in the trial balance as a debit balance
　　[P.T.O.
　　6The following control account has been prepared by a trainee accountant:
　　Receivables ledger control account
　　$$
　　Opening balance308,600Cash received from credit customers147,200
　　Credit sales154,200Discounts allowed to credit customers1,400
　　Cash sales88,100
　　Contras against credit balances in