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LOT FOR LOT Periods 0 1 2 3 4 Gross Requirement 35 30 40 0 Scheduled Receipt On Hand 35 35 0 0 0 Net Requirement 0 30 40 0 Planned Order Receipt 30 40 Planned Order Release 30 40 10 BULK Periods 0 1 2 3 4 Gross Requirement 35 30 40 0 Scheduled Receipt On Hand 35 35 0 205 165 Net Requirement 0 30 0 0 Planned Order Receipt 205 Planned Order Release 235 0 EOQ Periods 0 1 2 3 4 Gross Requirement 35 30 40 0 Scheduled Receipt On Hand 35 35 0 43 3 Net Requirement 0 30 0 0 Planned Order Receipt 73 0 0 Planned Order Release 73 73 POQ Periods 0 1 2 3 4 Gross Requirement 35 30 40 0 Scheduled Receipt On Hand 35 35 0 40 0 Net Requirement 0 30 0 0 Planned Order Receipt 70 0 Planned Order Release 70 80 PPB Periods Combined Total Lot Size Part Periods Costs Setup Holding Total

MRP Techniques

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MRP Techniques

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Sheet1LOT FOR LOTPeriods012345678910Total Cost700Gross Requirement353040010403003055Setup7100700Scheduled ReceiptHolding010On Hand3535000000000Lead Time1 weekNet Requirement03040010403003055Planned Order Receipt30401040303055Planned Order Release30401040303055BULKPeriods012345678910Total Cost1130Gross Requirement353040010403003055Setup1100100Scheduled ReceiptHolding103011030On Hand35350205165165155115858555Lead Time1 weekNet Requirement03000000000Planned Order Receipt205Planned Order Release2350EOQPeriods012345678910D140473.4846922835Gross Requirement353040010403003055S100Scheduled Receipth52On Hand3535043336626696939Total Cost718Net Requirement030007040016Setup4100400Planned Order Receipt7300730730073Holding3181318Planned Order Release73737373Lead Time1 weekPOQPeriods012345678910EOQ73Gross Requirement353040010403003055POQ2.70370370373Scheduled ReceiptTotal Cost580On Hand353504000703008555Setup3100300Net Requirement030001000000Holding2801280Planned Order Receipt7008085Lead Time1 weekPlanned Order Release708085PPBPeriods CombinedTotal Lot SizePart PeriodsCostsSetupHoldingTotalEPP(Economic Parts Period)23001000100100/11002,37040x110040140Setup/Holding2,3,47040x1,0x2100401402,3,4,58040x1,0x2,10x3100701702,3,4,5,612040x1,0x2,10x3,40x4100230330Select PP closes to EPP (100), So select 2-5, Holding cost should be 100640010001006,77030x1100301306,7,87030x1,0x2100301306,7,8,910030x1,0x2,30x3100120220Select PP closes to EPP (100), So select 6-9, Holding cost should be 100105501000100Periods012345678910Total Cost490Gross Requirement353040010403003055Setup3100300Scheduled ReceiptHolding1901190On Hand3535050101006030300Lead Time1 weekNet Requirement0300004000055Planned Order Receipt8010055Planned Order Release8010055LUCPeriods CombinedTotal Lot SizePart PeriodsCostsCPUSetupHoldingTotal230010001003.33333333332,37040x11004014022,3,47040x1,0x21004014022,3,4,58040x1,0x2,10x3100701702.125Select 2-4, CPU = Total Cost/Lot Size is lowest51001000100105,65040x1100401402.85,6,78040x1,30x21001002002.55,6,7,88040x1,30x2,0x31001002002.55,6,7,8,911040x1,30x2,0x3,30x41002203202.9090909091Select 5-8, CPU = Total Cost/Lot Size is lowest930010001003.33333333339,108555x1100551551.8235294118Periods012345678910Total Cost495Gross Requirement353040010403003055Setup3100300Scheduled ReceiptHolding1951195On Hand35350400070300055Lead Time1 weekNet Requirement0300010000300Planned Order Receipt708085Planned Order Release708085LTCPeriods CombinedTotal Lot SizePart PeriodsCostsSetupHoldingTotal230010001002,37040x1100401402,3,47040x1,0x2100401402,3,4,58040x1,0x2,10x3100701702,3,4,5,612040x1,0x2,10x3,40x3100190290At 2-5 the total carrying cost is equal to setup cost640010001006,77070x1100701706,7,87070x1,0x2100701706,7,8,910070x1,0x2,30x3100160260At 6-8 the total carrying cost is equal to setup cost93001000100108555x110055155Periods012345678910Total Cost455Gross Requirement353040010403003055Setup3100300Scheduled ReceiptHolding1551155On Hand353505010100300055Lead Time1 weekNet Requirement0300004000300Planned Order Receipt807085Planned Order Release807085MOMPeriods CombinedTotal Lot SizePart PeriodsCostsSetupHoldingTotalEPP(Economic Parts Period)23001000100100/11002,37040x110040140Setup/Holding2,3,47040x1,0x2100401402,3,4,58040x1,0x2,10x3100701702,3,4,5,612040x1,0x2,10x3,40x4100230330D/52Select PP closes to EPP (100), So select 2-5, Holding cost should be 100d2764001000100TBOEOQ/d2.70370370376,77030x1100301306,7,87030x1,0x210030130OMT77.9600166,7,8,910030x1,0x2,30x3100120220Select PP closes to EPP (100), So select 6-9, Holding cost should be 100105501000100Periods012345678910Total Cost490Gross Requirement353040010403003055Setup3100300Scheduled ReceiptHolding1901190On Hand3535050101006030300Lead Time1 weekNet Requirement0300004000055Planned Order Receipt8010055Planned Order Release8010055