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stuck on this engineering econ probelm

Chapter 4 - Deferred Annuities and Gradient Series Engineering Economics (1) Homework: Chapter 4 - Deferred Annuities and Gradient Serie Save Score: 0 of 1 pt 7 of 8 (1 complete) HW Score: 12.5%, 1 of 8... Problem 4-85 (algorithmic) Question Help 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 $175,000. This cost is expected to increase due to inflation at a rate of 8% 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 20% 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? Click the icon to view the interest and annuity table for discrete compounding when i=8 % per year. Click the icon to view the interest and annuity table for discrete compounding when i = 20% per year. You could afford to spend thousands for a higher quality heat exchanger. (Round to one decimal place.) Chapter 4 - Deferred Annuities and Gradient Series Engineering Economics (1) Homework: Chapter 4 - Deferred Annuities and Gradient Serie Save Score: 0 of 1 pt 7 of 8 (1 complete) HW Score: 12.5%, 1 of 8... Problem 4-85 (algorithmic) Question Help 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 $175,000. This cost is expected to increase due to inflation at a rate of 8% 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 20% 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? Click the icon to view the interest and annuity table for discrete compounding when i=8 % per year. Click the icon to view the interest and annuity table for discrete compounding when i = 20% per year. You could afford to spend thousands for a higher quality heat exchanger. (Round to one decimal place.)

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