Engineering Economic Analysis 12th Edition solutions

Engineering Economic Analysis 12
A woman borrowed $2000 and agreed to repay it atthe end of 3 years, together with 10% simple interestper year. How much will she pay 3 years hence?

Engineering Economic Analysis 12
How long will it take for an investment to double ata 4% per year simple interest rate?

Engineering Economic Analysis 12
A construction firm needs a new small loader. It canbe leased from the dealer for 3 years for $5500 peryearincluding all maintenance,or it canbe purchasedfor $20,000.The firm expects the loaderto have a sal-vage value of $7000 after 7 years. The maintenancewill be $500 the first year and then it will

Engineering Economic Analysis 12
In order to improve evacuation routes out of NewOrleans in the event of another major disaster suchas Hurricane Katrina, the Louisiana Department of Transportation (L-DoT) is planning to constructan additional bridge across the Mississippi River.L-DoT is considering two alternatives: a suspensionbrid

Engineering Economic Analysis 12
Quintons refrigerator has just died. He can get abasic refrigerator or a more efficient refrigeratorwith an Energy Star designation. Quinton earns 4%compounded annually on his investments, he wantsto consider a 10-year planning horizon, and he willuse present worth analysis to determine the bestalter

Engineering Economic Analysis 12
Heinrich is a manufacturing engineer with the MillerCompany. He has determined the costs of producinga new product to be as follows Equipment cost: $288,000/yearEquipment salvage value at EOY5 = $41,000Variable cost per unit of production: $14.55Overhead cost per year: $48,300If the Miller Company us

Engineering Economic Analysis 12
The town of Dry Gulch needs more water from PineCreek. The town engineer has selected two plans forcomparison: agravity plan(divert water at a point10 miles up Pine Creek and pipe it by gravity to thetown) and apumping plan(divert water at a pointcloser to town). The pumping plant would be built intw

Engineering Economic Analysis 12
Ace Manufacturing is building a new facility thatwill cost $44M. Ace will borrow $40M from FirstNational Bank and pay the remainder immediatelyas a down payment. Ace will pay 7% interest butwill make no payments for 4 years, at which timethe entire amount will be due. How large will Acespayment be?

Engineering Economic Analysis 12
Mike buys a corporate bond with a face value of$1000 for $900. The bond matures in 10 years andpays a coupon interest rate of 6%. Interest is paidevery quarter.(a)Determine the effective rate of return if Mikeholds the bond to maturity.(b)What effective interest rate will Mike get if hekeeps the bond

Engineering Economic Analysis 12
Helen is buying a $12,375 car with a $3000 downpayment, followed by 36 monthly payments of $325each.The down paymentis paid immediately, and themonthly payments are due at the end of each month.What nominal annual interest rate is Helen pay-ing? What effective interest rate?

Engineering Economic Analysis 12
Compute the EUAB for these cash flows based on a10% interest rate.

Engineering Economic Analysis 12
Kelsey Construction has purchased a crane thatcomes with a 3-year warranty. Repair costs areexpectedto average $3500per yearbeginning in Year4 when the warranty expires. Determine the presentworth of the cranes repair costs over its 15-year life.The interest rate is 10%

Engineering Economic Analysis 12
Two possible routes for a power line are under study.Data on the routes are as follows:Around Underthe Lake the LakeLength15 km 5 kmFirst cost$5000/km $25,000/kmMaintenance $200/km/yr $400/km/yrUseful life, in years1515Salvage value $3000/km $5000/kmYearly power loss $500/

Engineering Economic Analysis 12
The tree in Figure P10-40 has probabilities aftereach chance node and PW values for each terminalnode. What decision should be made? What is theexpected value?D1Pick APick B0.40.6HLC2900050000.40.6HHLLC1400010,000Pick A1Pick A2D2C30.412,0000.68100

Engineering Economic Analysis 12
Willie Lohmann travels from city to city in the con-duct of his business. Every other year he buys aused car for about $15,000. The dealer allows about$8000 as a trade-in allowance, with the result that thesalesman spends $7000 every other year for a car.Willie keepsaccurate records, which show that

Engineering Economic Analysis 12
Florida Construction Equipment Rentals (FCER)purchases a new 10,000-pound-rated crane forrental to its customers. This crane costs $1,125,000and is expected to last for 25 years, at which time itwill have an expected salvage value of $147,000.FCER earns $195,000 before-tax cash flow eachyear in renta

Engineering Economic Analysis 12
A stonecutter, assigned to carve the headstone for awell-known engineering economist, began with thefollowing design. He then started the equation as follows:P=G(P/G,i,6)He realized he had made a mistake. The equationshould have beenP=G(P/G,i,5)+G(P/A,i,5) The stonecutterdoesnot wantto discard the st

Engineering Economic Analysis 12
Two new rides are being compared by a local amuse-ment park in terms of their annual operating costs.The two rides are assumed to be able to generatethe same level of revenue (thus the focus on costs).The Tummy Tugger has fixed costs of $10,000 peryear and variable costs of $2.50 per visitor. The Hea

Engineering Economic Analysis 12
When he started work on his twenty-second birthday,D. B. Cooper decided to invest money each monthwith the objective of becoming a millionaire by thetime he reaches age 65. If he expects his investmentsto yield 18% per annum, compounded monthly, howmuch should he investeachmonth

Engineering Economic Analysis 12
An assembly line can produce 90 units per hour. Thelines hourly cost is $4500 on straight time (the first8 hours). Workers are guaranteed a minimum of 6hours. There is a 50% premium for overtime, how-ever, productivity for overtime drops by 5%. Whatare the average and marginal costs per unit for thef