during the 6 periods into which the day is divided: Decision vairable: Xi=numberofworkersreportingforthestartofworkingperiodi,wherej=1,2,3,4,5,or6. beginning work in time period 1 , where i=1,2,3,4,5,6. .) Objective function: Minimize Z= (1) Subject to: x1+(2)14(7A.M.-11A.M.)(11A.M.-3P.M.)x2+(3)15(3P.M.-7P.M.)x3+(4)10(7P.M.-11P.M.)x4+(5)12(11P.M.-3A.M.)x5+(6)5(3A.M.7A.M.)x6+(7)4 For all Xi0 (1) 4x1+14x2+15x3+10x4+12x5+5x6(2)x6x4x5x1(3)x3x4(4)x1x3(5)x5x3(6)x1x6(7)x3x1x1+x2+x3+x4+x5+x6x3x2x1x2x6x2x5x4x2x6x1x3x5x4x2x5x6