Quality Mfg. Co. has the following cost information: Fixed Costs $18,000 Sales Price Per Unit $80 Variable Costs Per Unit $50 (a) Using the Equation Approach, determine the Break Even Point in $ Sales Volume. (b) Using the Equation Approach, determine the Total Sales Volume ($) that must be sold to earn a profit of $6,000 before taxes. (c) What is the Contribution Margin Ratio? For each of the above questions, show the applicable equation & your work.