Suppose xyz corp emits so2 in its production process. the plant manager estimates that the firm’s total abatement cost is 3a^2 + 2a, where a = tons of so2 pollution abated. as such, the firm’s marginal abatement cost is 6a + 2. the firm is currently emitting 8 tons of pollution. an emission charge of $26/ton of so2 emitted is instituted. a. if the firm chooses not to abate any of its baseline level of emissions, what is the firm's total pollution charge? b. if the firm chooses to minimize its pollution cost, how many tons of pollution will they abate? what is the abatement cost? what is the total pollution charge? how much can the firm save by using this approach? c. draw a detailed, labeled graph illustrating your responses.

The plastic flowerpots company has two manufacturing departments, molding and packaging. at the beginning of the month, the molding department has 2,100 units in inventory, 70% complete as to materials. during the month, the molding department started 18,500 units. at the end of the month, the molding department had 3,150 units in ending inventory, 80% complete as to materials. units completed in the molding department are transferred into the packaging department. cost information for the molding department for the month follows: beginning work in process inventory (direct materials) $ 1,300 direct materials added during the month 28,900 using the weighted-average method, compute the molding department's (a) equivalent units of production for materials and (b) cost per equivalent unit of production for materials for the month. (round "cost per equivalent unit of production" to 2 decimal places.)

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