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Noor Company provided data for the total cost of two levels of monthly production volume. The company produces one product. 4000 1000 Sales volume (units) 48000$ $12000 direct material 20000$ 5000$ direct employment 84000$ 24000$ additional industrial costs 9000$ 6000$ Total marketing costs 2000$ 2000$ total administrative costs Required: 1_ Calculate the initial costs at the level of 4000 units 2_ Calculate period costs at the level of 1000 units 3_ Using the upper bound method, calculate the unit variable cost component of the additional industrial costs and the fixed cost component of the additional industrial costs. 4_ What is the total cost when the company produces 2500 units