HW4
1. Global Metalworks can produce its own hinges for a weekly cost of $96,400 and a cost per
hinge of $0.10.Currently an outside supplier is used for a weekly cost of $82,500 and a cost per
hinge of $0.24.Current weekly demand is 98,000 units. How much
Homework 3
6/4
1.Global Metalworks can produce its own hinges for a weekly cost of $96,400 and a cost
per hinge of $0.10. Currently an outside supplier is used for a weekly cost of $82,500 and
a cost per hinge of $0.24. Current weekly demand is 98,000 uni
HW10
Problem 12: (2 POINTS)
a. Calculate EOQ
b. Calculate Total annual cost
c. Calculate Reorder point
d. Describe this inventory policy
2.
Problem 14: (3 points)
a.Calculate EOQ at different price to see if a feasible solution can be found
b.Calculate To
HW9
1. Problem 2: 2 points
2. Problem 8: 4 points
3.
4 points
Magnatree is a large company that has been working on a new product. This product has
tremendous potential, but Magnatree must move quickly. They have decided that they will
introduce the produ
#1 (5 points)
Beginning Inventory
Beginning workforce
Labor standard
Reg Hrs Available
OT Hrs Available
400
210
6
160
32
Compute production rate
5600 1 point
Compute work force
units/period/worker
needed workforce
Hires
Fires
26.66666667
210 1 point
0
0
P
Homework 9
6/23
1.)
A. Production Rate
Total Demand
_Beg. Inventory
Net Total Demand number of periods
34,000
_400
33,600 / 6 = 5,600
B. Size of Workforce
_Reg Time Hours_ = A
Labor Standard per unit
C. Detailed Planning
P1
P2
Demand
5600
4800
Productio
Homework 7
6/17
1.Chapter 9, Problem 2: 2 points
Design = 950_ (100) = 95%
1000
Effective = 950 (100) = 135.71%
700
It is only slightly below its design capacity and above its effective capacity. However they can
only operate like this for a short period
Homework 5
6/10
1.Ch8. Problem #4 (3 points)
B.
Month
E.S.
A.
Nave
Month Sales N M.A. (2) E.S.(=.2)
Jan
45

March
Feb
30
45

April
Mar
40
30
37.5
42
May
5
April
50
40
35
41.6
June
8
May
June
July
55
47

50 45
55 52.5
47 51
M.A.
E E E E E
10 10 2.5
1. Wefixit Co. has just signed a contract to handle copy machine repairs for a large printing
company in Chicago. The contract covers copy machines at four locations, in the Loop
(downtown), on the North side, on the West side, and on the South side. Wefi
Homework 1
6/2
1. Draw a flowchart for all the major concepts in Chapter 2 (2 points)
ENVIORNMENT
MISSION
CORE COMPETENCY
(SWOT Analysis)
BUSINESS STRATEGY
OPERATIONS MANAGEMENT STRATEGY
COMPETITIVE PRIORITIES
STRUCTURE
(Cost, Quality, Time, Flexibility)
Problem 10 (3 points):
a. Average inventory level = = = 325 units (0.5 point)
b. Number of orders placed per year = = = 8 orders (0.5 point)
c. Annual inventory holding cost = = (325)(3) = $975 (0.5 point)
d. Total annual ordering cost = (D/Q)(S) = (8)(50
Problem 6:
Utilization Effective = (100%) = (100%) = 96.2% (0.5 point)
Utilization Design = (100%) = (100%) = 83.3% (0.5 point)
The utilization rates show that the facilitys current output is below its design and effective
capacities. (1 point)
Problem 10
HW#11
Problem 3:
A. 2 POINTS
B. Critical path = BDF (2 POINTS)
C. Path completion time:
ACE=15
BDE=14
BDF=5+3+9=17
Expected project length = 17 weeks (2 POINTS)
Problem 4: (4 POINTS)
HW#12
Problem 5: (2 POINTS)
Activity
Expecte
d Time
A
B
C
D
E
F
G
H
I
J
#4 (Total is 3.5 points)
a. (1.5 points, each method 0.5 point)
Month
Actual Sales
January
February
March
April
May
June
July
b. (1.5 points, each MAD calcaution is 0.5 point)
Month
Actual Sales
January
February
March
April
May
June
Month
January
February
HW#12
Chapter 16Problem 4, 5, 6, 7,8
(Use both the longest path method and ES/EF, LS/LF method for questions regarding project
expected completion time and identifying critical activities)
HW8
Chapter 6 Homework
1.#6
(Hint for (a): x double bar value and r bar value are given directly in the text, which is 12 and 0.6
respectively)
2.#8
3.#10
4. #12
HW6
1. Ch8. Problem 4 from your textbook
(Note:
Start forecasting from March for each method;
for exponential smoothing method, use nave method for February, then use exponential
smoothing for March and the rest.)
Part b. exponential smoothing methods M
Brandt Tabor
HW5
1. Wefixit Co. has just signed a contract to handle copy machine repairs for a large
printing company in Chicago. The contract covers copy machines at four locations, in
the Loop (downtown), on the North side, on the West side, and on the
HW 7
Describe cost of quality ( For each type of quality cost, give examples) (5 points)
Cost of Quality consists of four different types of quality cost.
1. Prevention cost cost incurred in the process of preventing poor quality from
occurring.
a. Examp