Mammoth Breweries is a local microbrewery that makes a single kind of beer. One of the main raw materials needed in the brewing process is Hops. During the year, Mammoth changed the mix of Low quality and High quality Hops in their brewing process. Budgeted cost for a standard barrel is as follows: Actual production was 14,000 barrels - this was 1,000 barrels less than planned. Required Calculate the following: A. Direct Material Quantity (Efficiency) Variances B. Direct Material Mix Variances C. Direct Material Yield Variances D. Identify and briefly discuss at least two qualitative factors that should be considered. E. Was it a good decision to change the mix