$98-$Civ$-$B$8,$ Dec $2010$

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$4.$ Engineering Economics:

A town is considering building a new toll road and two proposals have been put forward. The costs of each proposal are summarized in the following table. With interest rate at $8\%,$ which proposal should be adopted $($using present worth$).$

$\backslash$table$[[,$Proposal A$,$Proposal B$],[$Initial cost of road,$$16,500,000,$$$25,000,000$