| Activity 5.5 –Module Problems |
|||||||||||||||||||||||||||||||||||||||||||||||||||||
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||
| 05-Jan | TheOutdoorFurnitureCorporationmanufacturestwoproducts,benchesandpicnictables,foruseinyardsandparks.Thefirmhastwomainresources:itscarpenters(laborforce)andasupplyofredwoodforuseinthefurniture.Duringthenextproductioncycle,1,200hoursoflaborareavailableunderaunionagreement.Thefirmalsohasastockof3,500boardfeetofgood-qualityredwood.EachbenchthatOutdoorFurnitureproducesrequires4laborhoursand10boardfeetof redwood;eachpicnictabletakes6laborhoursand35boardfeetofredwood.Completedbencheswillyieldaprofitof$9each,andtableswillresultinaprofitof$20each. |
||||||||||||||||||||||||||||||||||||||||||||||||||||
| a. HowmanybenchesandtablesshouldOutdoorFurnitureproducetoobtainthelargestpossibleprofit?UsethegraphicalLPapproach. (Submit both the QM and the graphical solution.) |
|||||||||||||||||||||||||||||||||||||||||||||||||||||
| 05-Feb | MSAComputerCorporationmanufacturestwomodelsofminicomputers,theAlpha4andtheBeta5.Thefirmemployssixtechnicians,working160hourseachpermonth,onitsassemblyline.Managementinsiststhatfullemployment(i.e.,all 160hoursoftime)bemaintainedforeachworkerduringnextmonth’soperations.Itrequires20laborhourstoassembleeachAlpha4computerand25laborhourstoassembleeachBeta5model.MSAwantstoseeatleast10Alpha4sandatleast15Beta5sproducedduringtheproductionperiod.Alpha4sgenerate$1,200profitperunit,andBeta5syield$1,800each. |
||||||||||||||||||||||||||||||||||||||||||||||||||||
| a. Determinethemostprofitablenumberofeachmodelofminicomputertoproduceduringthecomingmonth. | |||||||||||||||||||||||||||||||||||||||||||||||||||||
| b. What would the profit be if they decided to make at least 15 of each model? |
|||||||||||||||||||||||||||||||||||||||||||||||||||||
| 05-Mar | WooferPetFoodsproducesalow-caloriedogfoodforoverweightdogs.Thisproductismadefrombeefproductsandgrain.Eachpoundofbeefcosts$1.50,andeachpoundofgraincosts$0.70.Apoundofthedogfoodmustcontainatleast9unitsofVitamin1,10unitsofVitamin2, and 6 units of Vitamin 3.Apoundofbeefcontains6unitsofVitamin1, 12unitsofVitamin2, and 4 units of Vitamin 3.Apoundofgraincontains12unitsofVitamin1,9unitsofVitamin2, and 10 units of Vitamin 3.FormulatethisasaLPproblemtominimizethecostofthedogfood. |
||||||||||||||||||||||||||||||||||||||||||||||||||||
| a. Howmanypoundsofbeefandgrainshouldbeincludedineachpoundofdogfood? | |||||||||||||||||||||||||||||||||||||||||||||||||||||
| b. Whatisthecostandvitamincontentofthefinalproduct? |
|||||||||||||||||||||||||||||||||||||||||||||||||||||
| c. What would the distribution of beef and grain be if the cost of beef increased to $3.50 per pound? |
|||||||||||||||||||||||||||||||||||||||||||||||||||||
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||
| 05-Apr | TheFeed‘NShipRanchfattenscattleforlocalfarmersandshipsthemtomeatmarketsinKansasCityandOmaha.Theownersoftheranchseektodeterminetheamountsofcattlefeedtobuysothatminimumnutritionalstandardsaresatisfied,andatthesametimetotalfeedcostsareminimized.Thefeedmixcanbemadeupofthethreegrainsthatcontainthefollowingingredientsperpoundoffeed: | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| FEED (OZ) | |||||||||||||||||||||||||||||||||||||||||||||||||||||
| INGREDIENT | STOCK X | STOCK Y | STOCK Z | ||||||||||||||||||||||||||||||||||||||||||||||||||
| A | 3 | 2 | 4 | ||||||||||||||||||||||||||||||||||||||||||||||||||
| B | 2 | 3 | 1 | ||||||||||||||||||||||||||||||||||||||||||||||||||
| C | 1 | 0 | 2 | ||||||||||||||||||||||||||||||||||||||||||||||||||
| D | 6 | 8 | 4 | ||||||||||||||||||||||||||||||||||||||||||||||||||
| ThecostperpoundofstocksX,Y,andZare$3.50,$4.75,and$4.50,respectively.Theminimumrequirementpercowpermonthis4poundsofingredientA,5poundsofingredientB,1poundofingredientC,and8poundsofingredientD.Theranchfacesoneadditionalrestriction:itcanonlyobtain500poundsofstockZpermonthfromthefeedsupplierregardlessofitsneed.Becausethereareusually100cowsattheFeed‘NShipRanchatanygiventime,thismeansthatnomorethan5poundsofstockZcanbecountedonforuseinthefeedofeachcowpermonth. | |||||||||||||||||||||||||||||||||||||||||||||||||||||
| a. | FormulatethisasanLPproblem. | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| b. | SolveusingLPsoftware. | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| You may submit just the answers or you may submit the answers and the QM worksheets you used to arrive at the answer. Choosing the latter will afford instructors the opportunity to review your work and determine if you understand the concept but have made some minor computational error, therefore allowing them to assign some credit based on your understanding. Submitting just the answers does not provide for any partial credit. |
|||||||||||||||||||||||||||||||||||||||||||||||||||||
Categories:
