Vogel Compary produces three models of heating and air conditioning thermostat components. The following tabie summarizes data about each model: Required: a. On what basis does the $22,000 of company fixed expenses appear to be allocated? b. Calculate the effect on total company net income if the MV12 model were discontinued c. Calculate the contribution maigin ratio for each model. d. If an advertising compaign focusing on a single model were to result in an increase of 5,000 units in the quantity of unis sold, which model should be advertised? e. If an odvertising campaign focusing on a single model were to result in an increase of $27.000 in revenues, which model should be advertised? Complete this question by entering your answers in the tabs below On what basis does the 522,000 of cornpany fixed expenses appear to be allocated