The following adjustments are required to the ledger accounts for Mr Black for the year ended 31 December 20X5:

► office expenses paid in 20X5 £1,425, amount owing £75

► rents paid £4,800 relating to the period 1 April 20X5 to 31 March 20X6

► goods sold and delivered on credit no entry made in the books £2,500

► insurance paid £3,600 relating to the period 1 October 20X4 to 30 September 20X5, insurance is likely to increase by 10% per annum thereafter.

Identify all accruals and prepayments for the period in question and the amounts to be transferred to the profit and loss account.