Question: A two-lane road surface can be finished with concrete or asphalt. Concrete will cost $2.3 million per mile (excluding right-of-way, environmental mitigation, or soil and

A two-lane road surface can be finished with concrete or asphalt. Concrete will cost $2.3 million per mile (excluding right-of-way, environmental mitigation, or soil and site conditions) and will last for 20 years. If signing, mowing, and winter maintenance are not included, the basic maintenance costs for concrete and asphalt roadways average $486 and $774 per mile per year, respectively. The interest rate is 8% per year.

(a) What is the maximum amount that can be spent on asphalt if it lasts 10 years?

(b) Use a spreadsheet to graph the breakeven curve for the cost of asphalt, if different quality levels of asphalt can be used with expected lives of 5, 8, 10, 12, and 15 years.

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a 2300000AP820 486 xAP810 774 2300000010185 486 x014903 774 x 1569932 b Develop ... View full answer

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