Problem:
A company is producing an electromagnetic field parts for this it requires material Alpha whose original standard consumption is 800 units at 24 $ as well as its actual consumption is 640 units at 26 $. Similarly for material Neutro whose original standard consumption is 400 units at $ 20 as well as its actual consumption of 520 units at 20 $. It is decided to revise the standard consumption of material Alpha to 680 and that of material Neutro to 40 units to improve the quality of the product.
Required:
Question: Find its original standard mix ratio, revised standard mix ratio.
Note: Please provide reasons to support your answer.