Hi, how do i answer question below on preparing statement of profit or loss for the year ended 31 December 2018?

Question 1 Mat Lan, the owner of Matt Enterprise extracted the following balances as at 31 December 2018. Prepare statement of profit or loss for the year ended 31 December 2018. Particulars RM Inventory on 1 January 2017 4,300 +Inventory on 31 December 2017 3,700 Purchases 26,400 Sales 53,700 Carriage inward 860 Insurance on purchase 320 Duty on purchase 390 Purchase returns 2,200 Sales returns 1,100 O