ISyE 323 Assignment #1
Prof. Jim Luedtke
ISyE323: Operations ResearchDeterministic Models
Assignment #1 Example Solutions
1. Prof. Luedtke home-brews two types of beer: Bock and Stout. His students1 buy his Bock
beer for $35 per gallon and Stout for $40 p
ISyE 323 Assignment #5
Prof. Jim Luedtke
ISyE323: Operations ResearchDeterministic Models
Assignment #5
Due: Tuesday, March 17, 2015 2:30PM
This assignment has 5 questions.
This is an individual assignment.
The assignment answers should be brought to clas
ISyE 323 Assignment #4
Prof. Jim Luedtke
ISyE323: Operations ResearchDeterministic Models
Assignment #4 Example Solutions
1. Consider the linear program below:
min z =2x1 +3x2
s.t.
x1 + x2 10
3x1 x2 6
x1 0, x2 0
Put this LP into standard form, and show ho
ISyE 323 Assignment #7
Prof. Jim Luedtke
ISyE323: Operations ResearchDeterministic Models
Assignment #7 Solutions
Problems:
1. Use the algorithm from class to find the minimum weight spanning tree in the network
below. (Start from node 1 when running the
lSyE 323 Homework Quiz #2
Na. Kay
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ISyE 323 Assignment #6
Prof. Jim Luedtke
ISyE323: Operations ResearchDeterministic Models
Assignment #6 Example Solutions
Problems:
1. The 323 Brewing Company (323BC) uses a linear program to determine how much of
four different beers to produce each year
ISyE 323 Assignment #2
Prof. Jim Luedtke
ISyE323: Operations ResearchDeterministic Models
Assignment #2
Due: Thursday, February 12, 2015 2:30PM
Instructions:
This assignment has four questions.
The assignment answers should be brought to class on 2/12/15
ISyE 323 Assignment #8
Prof. Jim Luedtke
ISyE323: Operations ResearchDeterministic Models
Assignment #8 Example Solutions
Problems:
1. A company has three jobs to process. Each job must be processed on a sequence of
machines, in increasing order of machin
lSyE 323 Homework Quiz #1
Name: K6 _._
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Be sure your cell phone is put away and silenced.
Turn in your homework assignment with the quiz.
This quiz has one question wit
lSyE 323 Homework Quiz April 21, 2015
Name: \ y
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-You may use youi homework assignment, but the quiz is otherwise closed book
- Be suie your cell phone is put away and silenced.
- Turn in your homework assignment with the quiz.
- This quiz has o
15.50
MARR
Department
X
Y
Z
Buying Cost
Rising cost/yr
Overall Buying Cost
Make
Equipment Cost
Salvage Value
n
Direct Costs
Overall Making Costs
Basis
Rate
Direct Labor Cost
Materials Cost
Number of inspection
-3,900,000
-300,000
-4,551,614 (in AW)
-3,000
4.31
n (years)
Cost/gallon ($/gallon)
No. of gallon/ month
Nominal Interest
Effective Interest
Cost/month
Capital cost/ month
20
0.00085
200,000,000
6%
0.5%
170000
$23,642.22
Total cost/month
$193,642.22
4.46
n
Period
Nominal Interest
Effective Interest
I
13.10
Cost of gasoline
Old
New
Interest rate
Miles/gallon
18
21 No. of periods
Cost/ mile
0.1805555556 0.1547619
$ saved/ mile
0.0257936508
Cost of upgrade
800
No. of miles/month 1030.1545935801
PV of $ saved
800
3.25
1%
36
13.22
Painting
Painting Cost
n
Tanapat R. ISyE 313 10/29/2016
Homework 6 Summary
*All workings shown on excel
9.19
For this question, I decided to use annual worth for the B/C analysis because most of the
numbers are already in AW. I converted the first cost to AW using the PMT functio
Tanapat Ratanaruengjumrune ISyE 313 11/11/2016
Homework 8 Summary
* all workings shown in excel
13.10
In order to find the breakeven quantity of miles, we must first find the revenue. I will call
the amount of money saved from upgrading the revenue per un
Tanapat R. ISyE 313
Homework 11 Summary
18.9
First of all, I generated a cash flow table for Continuous for 5 years. Then, I used the NPV
function to generate the present worth of the cash flows at an interest rate of 15%. Using
this PV value, I used the
11.14
n
First Cost
Operating Cost
i
-70,000
-75,000
12%
n
AW
1
2
3
4
5
6
ESL 6 years
AW = -$88,772.58
(93,900.00)
(92,562.74)
(91,404.76)
(90,400.89)
(89,529.63)
(88,772.58)
First cost (in AW)
1
(78,400.00)
2
(41,418.87)
3
(29,144.43)
4
(23,046.41)
5
(19,
Tanapat Ratanaruengjumrune ISyE 313 10/04/2016
Homework 7 Summary
*All workings shown in Excel
11.14
For this question, the AW for each year from 1 to 6 must be found. I first converted the first
cost and salvage value to the annual cost from year 1 to ye
Tanapat R. ISyE 313 12/9/2016
Homework 10 Summary
*All workings done on Excel
17.27
For a), I generated columns for taxable income and taxes of each method. To do that, I first
did a table for depreciation for each method in each year. Then I subtracted t
Tanapat Ratanaruengjumrune ISyE 313 10/07/2016
Summary
*All workings are shown in Excel
6.10
a) For this question, it asks for the capital recovery. Capital recovery is basically the
equivalent amount of revenue a system much earn each year to cover the i
Tanapat Ratanaruengjumrune ISyE 313 09/30/2016
Summary
*Workings shown in the excel file attached
4.16
a. Since 10 is 5 percent of 200, it means that the interest rate per month is 5%. That means
that the nominal interest rate per year is (5)(12)=60%, whi
Tanapat Ratanaruengjumrune ISyE 313 11/18/2016
Homework 10 Summary
15.50
To solve this problem, we must compare the cost of buying in AW to the cost of making in
AW. For the buying cost, I generated the cash flows for the whole 6 years, adding 300,000 to
Tanapat Ratanaruengjumrune ISyE313 09/23/2016
Summary
2.8.
The company can afford to spend ~$47663 now given an interest rate of 12% and a future
value of $75,000. For this question, I took F and multiplied it with the P/F factor with i=12%
and n=4 to get
Tanapat Ratanaruengjumrune ISyE 313 09/13/2016
1.5
Stefanie is violating several codes such as I b, II 2a, 2b, and III 9a.
For I b, she clearly wasnt competent at the job.
For II 2a, she did take the assignment even though she knew she wasnt qualified for