A railroad branch line to a missile site is to be con. structed. It is expected that the railroad…


A railroad sprig thread to a projectile seat is to be con. structed. It is expected that the railroad thread conciliate be used for 15 years, after which the projectile seat conciliate be removed and the fix coagulated tail to agricultural use The railroad mark and ties conciliate be removed at tha' term. In building the railroad thread, either treated OJ untreated forest ties may be used. Treated ties accept ar grounded absorb of $6 and a 1O-year activity; untreated tie! are $4.50 with a 6-year activity. If at the end of 15 yean the ties then in settle accept a remaining beneficial activity of 4 years or more, they conciliate be used by the railroad elsewhere and accept an estimated salvage appraise of $3 each. Any ties that are removed at the end of their employment activity, or too halt to the end of their employment activity to be used elsewhere, can be sold for $0.50 each. Determine the most stinted scheme for the primal railroad ties and their replacement for the 15- year era. Make a exhibit excellence anatomy magnificent 8% concern.