A local brewery produces three types of beer: premium, regular and light. The brewery has enough vat capacity to produce 27,000 gallons of beer per month. A gallon of premium beer requires 3.5 pounds of grain, a gallon of regular requires 3.7 pounds of grain, and a gallon of light requires 4.2 pounds of grain. The brewery is able to acquire 45,000 pounds of grain every month. While the brewery's largest seller is regular beer, it wants to have a competitive market mix of beer. Thus, the brewery wishes to produce at least 5,000 gallons of premium beer, but n more than 12,000 gallons of light and premium beer combined. The brewery makes a profit of $3 per gallon of premium beer, $2.40 per gallon of regular beer, and $2.80 per gallon of light beer. The brewery manager wants to know how much of each type of beer should be produced in order to maximize profit. Use the following model and accompanying POM printout to answer the following questions.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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Chart II.
Constraint
Dual Value
Slack/Surplus
Original Val
Lower Bound
Upper Bound
Inifinity
97500
12000
Vat Capacity
14189.19
27000
12810.81
Grain
0.6486487
45000
42000
Premium
7000
5000
-Infinity
Premium/Light
0.7297297
12000
5000
12857.14
Transcribed Image Text:Chart II. Constraint Dual Value Slack/Surplus Original Val Lower Bound Upper Bound Inifinity 97500 12000 Vat Capacity 14189.19 27000 12810.81 Grain 0.6486487 45000 42000 Premium 7000 5000 -Infinity Premium/Light 0.7297297 12000 5000 12857.14
A local brewery produces three types of beer: premium, regular and light. The brewery has
enough vat capacity to produce 27,000 gallons of beer per month. A gallon of premium beer
requires 3.5 pounds of grain, a gallon of regular requires 3.7 pounds of grain, and a gallon of
light requires 4.2 pounds of grain. The brewery is able to acquire 45,000 pounds of grain every
month. While the brewery's largest seller is regular beer, it wants to have a competitive market
mix of beer. Thus, the brewery wishes to produce at least 5,000 gallons of premium beer, but not
more than 12,000 gallons of light and premium beer combined. The brewery makes a profit of
$3 per gallon of premium beer, $2.40 per gallon of regular beer, and $2.80 per gallon of light
beer. The brewery manager wants to know how much of each type of beer should be produced
in order to maximize profit. Use the following model and accompanying POM printout to
answer the following questions.
Note:
Xi = gallons of premium
X2 = gallons of regular
X3 = gallons of light
maximize Z = $
Зх1 + 2.40х2 + 2.80х3
Subject to:
X1 + x2 + X3
3.5x1 + 3.7x2 ± 4.2x3
< 27,000 (1) vat capacity
< 45,000 (2) Grain
2 5,000 (3) premium
< 12,000 (5) combined premium/light
> 0
X1
X1 + X3
X1, X2, Xз
Chart I.
Variable
Value
Reduced Cost
Original Val
Lower Bound
Upper Bound
Premium X1
2.35
Infinity
12000
3
Regular X2
Light X3
810.81
2.4
3.17
0.65
2.8
-Infinity
3.45
Transcribed Image Text:A local brewery produces three types of beer: premium, regular and light. The brewery has enough vat capacity to produce 27,000 gallons of beer per month. A gallon of premium beer requires 3.5 pounds of grain, a gallon of regular requires 3.7 pounds of grain, and a gallon of light requires 4.2 pounds of grain. The brewery is able to acquire 45,000 pounds of grain every month. While the brewery's largest seller is regular beer, it wants to have a competitive market mix of beer. Thus, the brewery wishes to produce at least 5,000 gallons of premium beer, but not more than 12,000 gallons of light and premium beer combined. The brewery makes a profit of $3 per gallon of premium beer, $2.40 per gallon of regular beer, and $2.80 per gallon of light beer. The brewery manager wants to know how much of each type of beer should be produced in order to maximize profit. Use the following model and accompanying POM printout to answer the following questions. Note: Xi = gallons of premium X2 = gallons of regular X3 = gallons of light maximize Z = $ Зх1 + 2.40х2 + 2.80х3 Subject to: X1 + x2 + X3 3.5x1 + 3.7x2 ± 4.2x3 < 27,000 (1) vat capacity < 45,000 (2) Grain 2 5,000 (3) premium < 12,000 (5) combined premium/light > 0 X1 X1 + X3 X1, X2, Xз Chart I. Variable Value Reduced Cost Original Val Lower Bound Upper Bound Premium X1 2.35 Infinity 12000 3 Regular X2 Light X3 810.81 2.4 3.17 0.65 2.8 -Infinity 3.45
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