Problem 4 (20 points) a. (10 points). The below company will begin its roll-up forecast anticipating a need for 20 A1 units and 80 A2 units at a cost of $18 per unit and $11 per unit, respectively. In addition, they anticipate a need for 20 B1 units and 30 B2 units at a cost of $15 per unit and $10 per unit respectively. Complete the roll-up pyramid forecasting technique for the company. (Fill all the blanks). Show all calculations. Roll-up forecast $ A B Product family forecasts Dollars Units JI AL A B B Individual product forecasts Dollars Units s i 1 11 JI A. Unit Costs A B b. (10 points). The management of the company asked to reconsider the rolled-up forecast, and they agreed on a revised total management forecast of $2,576. Your task is to prepare a force-down forecast. (Fill all the blanks). Show all calculations. Management forecast Roll up forecast Management forecast Roll up forecast m Product family forecasts Dollars Units A A B Individual product forecasts Dollars Units $ $ II 11 Unit Costs A A $ 1