Basics Of Engineering Economy
Basics Of Engineering Economy
2nd Edition
ISBN: 9780073376356
Author: Leland Blank, Anthony Tarquin
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Chapter 3, Problem 49P
To determine

Calculate the future worth.

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A small company heats its building and spends $8,000 per year on natural gas for this purpose. Cost increases of natural gas are expected to be 10% per year starting one year from now (i.e., the first cash flow is $8,800 at EOY one). Their maintenance on the gas furnace is $345 per year, and this expense is expected to increase by 15% per year starting one year from now. If the planning horizon is 15 years, what is the total annual equivalent expense for operating and maintaining the furnace? The interest rate is 18% per year.
A small company heats its building and will spend $9,592 in year 1 on natural gas for this purpose. Cost increases of natural gas are expected to be 9% per year starting year 2. Their maintenance on the gas furnace is going to be $408.25 in the first year and this expense is expected to increase by 15% per year starting year 2. If the planning horizon is 15 years, what is the total annual equivalent expense for operating and maintaining the furnace? The interest rate is 18% per year. (Round to nearest dollar) (a) The total present worth of operating and maintaining the furnace is $ (b) The total annual equivalent expense for operating and maintaining the furnace is $ (Round to nearest dollar)
XYZ rapid prototyping (RP) software costs $29,000 and lasts one year, and will be expensed (i.e., written off in one year, and treated as an end- of-year cash flow). The cost of the upgrades will increase 11% per year beginning in the second year (again, using end-of-year cash flows). How much can be spent now for an RP software upgrade agreement that lasts three years and must be depreciated with the SL method to zero over three years? MARR is 20% per year (im), and the effective income tax rate (t) is 22%.

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Basics Of Engineering Economy

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