Problem
A proposal for dividing a four-lane highway is being considered. The cost is $6M for the roadbed, $3M every 15 years for pavement, and $125K every year for maintenance. The time savings to travelers are worth $300K per year. Using the NHTSA standard, how many statistical lives must be saved each year to justify the highway? Assume that i is 5% and N is 60 years.
The response should include a reference list. Double-space, using Times New Roman 12 pnt font, one-inch margins, and APA style of writing and citations.