Question content area top Part 1 A 1,500 square foot house in New Jersey costs ​$1,400 each winter to heat with its existing​ oil-burning furnace. For an investment of ​$4,000​, a natural gas furnace can be​ installed, and the winter heating bill is estimated to be ​$800. If the​ homeowner's MARR is 7​% per​ year, what is the discounted payback period of this proposed​ investment?

ENGR.ECONOMIC ANALYSIS
14th Edition
ISBN:9780190931919
Author:NEWNAN
Publisher:NEWNAN
Chapter1: Making Economics Decisions
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Part 1
A 1,500 square foot house in New Jersey costs ​$1,400 each winter to heat with its existing​ oil-burning furnace. For an investment of ​$4,000​, a natural gas furnace can be​ installed, and the winter heating bill is estimated to be
​$800. If the​ homeowner's MARR is 7​% per​ year, what is the discounted payback period of this proposed​ investment? 
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