本次加拿大代写主要为工程经济学相关的assignment

问题 1(30 分)
一般城市人口将从市政道路项目中节省出行时间
高达 300 万美元(3,000,000 美元)。地方政府将在3
每批 30,000,000 美元:第一批
目前付款;第二
第 1 年付款;第三个
付款于
第 2 年。工程在第 2 年结束。预计年度运行和维护成本
约为 2,000,000 美元。这条新道路将产生 5,500,000 美元的通行费。
考虑 6.5% 的利率和建造后 20 年的寿命。
找:
a) 画出这个项目的现金流量图(4 分)
b) 项目的效益成本比(12 分)
c) 项目修改后的收益成本(12 分)
d) 项目是否可行? (2 分)

问题 2(20 分)
对于下图所示的项目:
(a) 构建甘特图(10 分)
(b) 为项目构建一个 AOA 网络表示。 (5 分)
(c) 为项目构建一个 AON 网络表示。 (5 分)

活动 1 2 3 4 5 6 7 8 9 10
前身 1,2 3 3,4 4 5 5,6 6,7 8,9
期间
(周) 3 2 3 2 3 4 1 7 4 2

Question 1 (30 Marks)
The general city population is set to benefit in travel-time savings from a municipal road project
to the tune of 3 million dollars ($3,000,000). The local government will incur spendings in 3
tranches of $30,000,000 each: 1st
payment at present; 2nd
payment at year 1; and 3rd
payment at
year 2. Construction concludes at year 2. The annual operating and maintenance cost is expected
to be around $2,000,000. This new road will generate tolls of $5,500,000.
Consider an interest rate of 6.5% and a life of 20 years after construction.
Find:
a) Draw the cashflow diagram for this project (4 Marks)
b) The benefit-cost ratio of the project (12 Marks)
c) The modified benefit-cost of the project (12 Marks)
d) Is the project feasible? (2 Marks)

Question 2 (20 Marks)
For the project shown below:
(a) Construct a Gantt chart (10 Marks)
(b) Construct an AOA network representation for the project. (5 Marks)
(c) Construct an AON network representation for the project. (5 Marks)

Activity 1 2 3 4 5 6 7 8 9 10
Predecessor 1,2 3 3,4 4 5 5,6 6,7 8,9
Duration
(weeks)      3 2 3 2 3 4 1 7 4 2