Manufacturing accounts — practice question

Hilary operates a manufacturing business and has supplied the information below. Opening inventory at 1 August 2022: Raw materials $9100 Work in progress $21357 Finished goods $24235 For the year ending 31 July 2023: Revenue $457250 Purchases of raw materials $110000 Purchases returns of raw materials $2200 Purchases of finished goods $23500 Purchases returns of finished goods $4700 Wages of factory operatives $91665 Wages of factory supervisor $29000 Wages of office supervisor $28000 Heat, light and power $11600 Rates and insurance $8250 Factory repairs and renewals $5125 Factory equipment - at cost $124000 Factory equipment - provision for depreciation $35500 Additional information: 1 Inventory at 31 July 2023: Raw material $9980 Work in progress $22446 Finished goods $25110 2 Heat, light and power is to be divided 4/5 to the factory and 1/5 to the office. 3 Rates and insurance is to be divided 3/5 to the factory and 2/5 to the office. Insurance of $4440 has been paid for the year to 31 December 2023. 4 At 31 July 2023, a factory repair costing $644 had not been paid, and no adjustment had been recorded. 5 Factory equipment is depreciated at 25% per annum using the reducing balance method.