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You are the manager of a large crude-oil refinery. as part of the refining process, a certain heat exchanger (operated at high temperatures and with abrasive material flowing through it) must be replaced every year. the replacement and downtime cost in the first year is $165 comma 000. this cost is expected to increase due to inflation at a rate of 7% per year for six years (i.e. until the eoy 7), at which time this particular heat exchanger will no longer be needed. if the company's cost of capital is 15% per year, how much could you afford to spend for a higher quality heat exchanger so that these annual replacement and downtime costs could be eliminated?

Problem 8-6 cullumber company is a multi product firm. presented below is information concerning one of its products, the hawkeye. date transaction quantity price/cost 1/1 beginning inventory 2,700 $17 2/4 purchase 3,700 26 2/20 sale 4,200 43 4/2 purchase 4,700 33 11/4 sale 3,900 47 calculate average-cost per unit. (round answer to 4 decimal places, e.g. 2.7613.) average-cost per unit $ link to text compute cost of goods sold, assuming cullumber uses: (round average cost per unit to 4 decimal places, e.g. 2.7631 and final answers to 0 decimal places, e.g. 6,548.) cost of goods sold (a) periodic system, fifo cost flow $ (b) perpetual system, fifo cost flow $ (c) periodic system, lifo cost flow $ (d) perpetual system, lifo cost flow $ (e) periodic system, weighted-average cost flow $ (f) perpetual system, moving-average cost flow $ click if you would like to show work for this question: open show work

Explain the chemical change the causes corrosion