Self-test Martin prepared his final accounts and calculated that his net profit for the year was £9,862.

Subsequently the following errors were discovered:

(i) Rent of £1,600 shown in the profit and loss account relates to the following year.

(ii) Rent receivable of £1,020 was outstanding.

(iii) A provision for bad debts of £240 had not been created.

(iv) Sales of £1,905 had not been recorded.

(v) Sales returns of £478 had not been entered in the books.

(vi) Closing stock had been overvalued by £986.

(vii) An invoice for telephone charges of £230 had not been paid.

(viii) Depreciation on motor vehicles of £450 had not been made.

You are required to prepare an adjustment of the net profit to reflect the above errors.