A manufacturer requires an additional 10,000 square feet (929 square meters) of
ID: 2727189 • Letter: A
Question
A manufacturer requires an additional 10,000 square feet (929 square meters) of warehouse space. A reinforced-concrete building added to the existing main structure will cost $850,000, whereas the same amount of space can be constructed with a galvanized building for $595,000. The life of the concrete building is estimated at 25 years with a yearly maintenance cost of $23,800. The life of the cost is estimated to be 15 years, and the annualized maintenance cost is estimated to be $53,000. Average annual property taxes are 1.2 percent of first costs for the concrete building and 0.5 percent for the metal building. Assume that the salvage value of the concrete building will be zero after 25 years. Compare the present worths of the two warehouse additions, using 12 percent interest for a 25-year study period, in determining the minimum salvage value of the galvanized building after the 25-year period to make it economically comparable to the concrete building, assuming that its salvage vale after 15 years is zero.
Explanation / Answer
Computation of Present worth Reinforced-concrete building Galvanized Building Year DF at 12% Cash Flow =CF DCF (= CF x DF) Cash Flow =CF DCF (= CF x DF) a b c d e= c x d f g= c x f 0 Initial Cost 1.000 850,000 850,000 595,000 595,000 1 to 25 Yearly Maintenance Cost 7.843 23,800 186,663 - 1 to 15 Annual Maintenance Cost 7.843 - 53,000 415,679 1 to 25 Tax 1.2% & 0.5 % respectively 7.843 10,200 79,999 2,975 23,333 15 Initial Cost 0.059 - 595,000 35,105 16 to 25 Annual Maintenance Cost 1.032 - 53,000 54,696 16 to 25 Tax 1.2% & 0.5 % respectively 1.032 2,975 3,070.20 Sum of PVs of all costs for 25 years 1,116,662 1,126,883
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