Extend SureStep's original (no becklogging) aggregate planning model from four to siox months, Given the file P14, 30 , xlsx, add a forecasted demand of 2,000 units to Month 5 , and of 4,000 units to Month 6 . Is your optimal solution for the first four months of the extended model the same as it was for the original model? Eniti att differences for workers hired, fired, overtime Labor hours used, and shoes produced. Use negative quantities for decreases, If a quantity is unchanged, enter zero. input data tinstincitiory of shoes initial number of workens Pirncosulworter firing cost/worker overime wabernite four Laber hourdpatr of thoes: Raw meterial cout/pair of shees Welkerplan Workm Iram prmous moseth Worien hired Worintitied 300 tan1060 1000 1000 150401490 to00 2000