Absorption, variable, and throughput costing EnRG Inc. produces trail mix packaged for sale in convenience stores in the Northeast section of the United States. At the beginning of April 2008, EnRG has no inventory of trail mix. Demand for the next three months is expected to remain constant at 50,000 bags per month. EnRG plans to produce to demand, 50,000 bags in April. However, many of the employees take vacation in June, so EnRG plans to produce 70,000 bags in...