The following estimates (in $1000 units) have been developed for a new security system at Chicago's O'Hare Airport. First cost, S 13,000 AW of benefits, $/year FW (in year 20) of disbenefits, $ M&O costs, $/year 3,800 6,750 400 Life of project, years 20 a. Calculate the conventional B/C ratio at a dis- count rate of 10% per year. b. Determine the minimum first cost necessary to make the project economically unjustified.
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- The following estimates (in $1000 units) have been developed for a security system upgrade at Fairbanks International Airport, FAI. Item Cash Flow First cost, $ 13,000 AW of benefits, $ per year 3,800 FW of disbenefits, year 20, $ 6,750 M&O costs, $ per year 400 Life, years 20 Please calculate your dollar values to the nearest whole dollar. Format 0000 No commas. Please calculate your B/C ratios to 2 decimal places. Format 0.00 Treat any disbenefits as negative benefits and not additional costs. a. Calculate the modified B/C ratio (use AW) at a discount rate of 10% APR, compounded daily. b. Is the project justified? O A. No, the B/C ratio is > 1 O B. Yes, the B/C ratio > 1 Please calculate your dollar values to the nearest whole dollar. Format 0000 No commas. c. Determine the minimum/maximum first cost, FC, that is possible to render the project economically unjustified/justified. $Locations under consideration for a border patrol station have their costs estimated by the federal government. Use the B/C ratio method at an interest rate of 9% per year to determine which location to select, if any. Location Initial Cost, $ Annual Cost, $ per Year Disbenefits, $ per Year Life, Years The AB/C ratio is North N 2,160,000 480,000 70,000 00 South S 2,900,000 445,000 57,000 00List the five main types of engineering economic decisions?
- SITUATION3: Under the data collected from the office of Department of Transportation and DPWH over the last 5 years indicate that for each fatality, there are 40 non-fatal injury accidents ($1500 present cost each) and 300 property damage accidents ($2000 present cost each). What is the breakeven value of statistical Me (VSL) needed to justify a highway project if i is 8%? The death rate on a particular three-lane road is 8 per 100 million vehicle-miles. Adding a lane would reduce this to 5 per million, and other accidents would cost $1.5M per mile to build, and annual maintenance would be 3% of the first cost. Assume that the lane would last 40 years. The road carries 10000 vehicle per day. Use reduction factor of 3/8 for all accidents. (Non-CE students no need to answer this item).Using the incremental B/C analysis (AB/C). Determine the best alternative, i=10% First cost O &M Cost/year Benefit/year Salvage value Life in years A 45,000 $4,000 $15,000 $9,000 B $25,000 $1,500 $9,500 $5,000 10 с $35,000 $3,000 $14,000 $7,000 D $15,000 $2,000 $8,000 $3,000Given the data for two alternatives, choose the better alternative using the B/C ratio analysis. MARR = 8% (Hint: If using EUAW, change each first cost to annual fırst then do incremental. If using PW, match the cash flows (rebuy Bottom) before subtracting.) Alternative Bottom Тop First Cost $100,000 $140.000 Operating Costs/Yr 50,000 100,000 60,000 Benefits/Yr 120,000 Maintenance/Yr 30,000 25,000 Life in years 10
- 3 (20 pts) An engineer is considering the projects below, all of which can be last indefinitely. If the company's MARR is 14% per year, determine which two options should be selected using B/C ratio analysis First Cost 10000 Annual Income Total benefit/yr Total Cost/yr 1500 B/C ratio B C 5000 1000 7500 1400 35000 25000 D 5250 3000 Incremental B/C Analysis ORDER:List the fundamental Principles in Engineering Economics?A certain masonry dam requires 200,000 m³ of gravel for its construction. The contractor found two possible sources for the gravel with the following data: Source A Source B Average distance, gravel pit to dam site 3 km 1.2 km Gravel cost/m³ at pit ➖➖➖➖➖ P10 Purchase price of pit P800,000 Road construction necessary P450,000 Overburden to be removed at P4.20/m³ 90,000m³ ➖➖➖➖➖➖ Hauling cost/m³/km P4 P4 What is the Total Cost of Source A
- Apply incremental B/C analysis at an interest rate of 8% per year to determine which alternative should be selected. Use a 20-year study period, and assume the damage costs might occur in year 6 of the study period. Alternative A Alternative B Initial cost, S 600,000 800,000 Annual M&O 50,000 70,000 costs, S/year Potential damage 950,000 250,000 costs, SFor each of the following problems, (a) draw the cash flow diagram; (b) present clean and clear manual solutions to the problem; (c) highlight the final answer (only the final answer as required by the problem) by enclosing it within a box. Company D recently purchased an equipment that costs $40,000, has a life of 4 years and a salvage value of $5,000. The production output of this equipment is 1800 on the first year, 2200 on the second year, 3000 units on the third year, and 4000 units on the fourth year. What is the annual depreciation charge on the third year?Develop a plot of the average cost per unit versusproduction quantity for the houseware applianceassembly department of Ace-One, Inc., that has afixed cost of $160,000 per year and a variable costof $4.00 per unit; use it to answer the followingquestions.(a) At what quantity is a $5 per unit average costjustified?(b) If the fixed cost increases to $200,000, plot thenew curve on the same graph and estimate thequantitythat justifies an average cost of $6 per unit.