How can I calculate the moving average cost per unit at January 1,5,8,10,15,16,20,25 and round to the

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How can I calculate the moving average cost per unit at January 1,5,8,10,15,16,20,25 and round to the nearest 3 decimal place. This what I have so far LIFO FIFO Moving average Cogs sold 3313 2913 ? Ending inventory 1799 2199 2061 Gross profit 2323 2723 ? How can I calculate the missing numbers?