Could you answer using Excel and show the formulas. I don't just want the answers. Thanks in advance! :)

3. (35 points) The Doaba Company has estimated costs for the following monthly production levels: Production volume (units) Cost A Cost B Cost C Cost D Cost E Cost F Cost G Cost H Required: a. Identify each cost as a variable, fixed, or mixed cost. Cost A Cost B Cost C Cost D Cost E Cost F Cost G Total manufacturing costs Cost H 1.000 $10,000 $20,000 16,000 16,000 18,000 22,000 12,000 12,000 30,000 45,000 25,000 25,000 16,000 32,000 10,000 500 1500 $30,000 16,000 26,000 12,000 60,000 25,000 48,000 15,000 20,000 $137.000 $187,000 $237,000 b. Measure the following equation using the high-low method (hint: use the total manufacturing costs and units from the first and third columns.): Total manufacturing costs = a + b (units)