Just need help in problem 2B and 3A and 3B

Hels B Kubin Company's relevant range of production is 17,000 to 26,500 units. When it produces and sells 21,750 units, its average costs unit are as follows: Book Direct materials Direct labor Variable manufacturing overhead Fixed manufacturing overhead Fixed selling expense Fixed administrative expense Sales commissions Variable administrative expense Average Cost per Unit $ 7.80 $ 4.80 $ 2.30 $ 5.80 $ 4.30 $ 3.30 $ 1.80 $ 1.30 Print erences Required: 1. Assume the cost object is units of production: a. What is the total direct manufacturing cost incurred to make 21750 units? b. What is the total indirect manufacturing cost incurred to make 21750 units? 2. Assume the cost object is the Manufacturing Department and that its total output is 21,750 units. a. How much total manufacturing cost is directly traceable to the Manufacturing Department? b. How much total manufacturing cost is an indirect cost that cannot be easily traced to the Manufacturing Department? 3. Assume the cost object is the company's various sales representatives. Furthermore, assume that the company spent $71,775 of its total fixed selling expense on advertising and the remainder of the total fixed selling expense comprised the fixed portion of the company's sales representatives' compensation w lenovo Hels B Kubin Company's relevant range of production is 17,000 to 26,500 units. When it produces and sells 21,750 units, its average costs unit are as follows: Book Direct materials Direct labor Variable manufacturing overhead Fixed manufacturing overhead Fixed selling expense Fixed administrative expense Sales commissions Variable administrative expense Average Cost per Unit $ 7.80 $ 4.80 $ 2.30 $ 5.80 $ 4.30 $ 3.30 $ 1.80 $ 1.30 Print erences Required: 1. Assume the cost object is units of production: a. What is the total direct manufacturing cost incurred to make 21750 units? b. What is the total indirect manufacturing cost incurred to make 21750 units? 2. Assume the cost object is the Manufacturing Department and that its total output is 21,750 units. a. How much total manufacturing cost is directly traceable to the Manufacturing Department? b. How much total manufacturing cost is an indirect cost that cannot be easily traced to the Manufacturing Department? 3. Assume the cost object is the company's various sales representatives. Furthermore, assume that the company spent $71,775 of its total fixed selling expense on advertising and the remainder of the total fixed selling expense comprised the fixed portion of the company's sales representatives' compensation w lenovo