Why is the accounts payable in year 2 not overstated?

+ Variation 2 First year Second year Ok Opening inventory + Purchases - Ending inventory 1,500 Un 1,500 Ov 1,500 Un 1,500 Un - Ok = = COGS Ok Ok Net income before tax Ok Ok - Inc tax expense (30%) Ok Ok - = Net income Ok Ok Ok 1,500 Un 1,500 Un Ok Inventory Accounts payable Inc tax payable (30%) Retained earnings Ok Ok Ok Ok O