Minimize MinimizeSubjecttoZ=3x1+2x2+x3x1+4x2+3x3502x1+x2+x3303x12x2x340x1x2x30 (b) Five men are available to do five different jobs. From past records the time in hours that each man takes for cach job is known and is given below Find the assignment of men to job that will minimize the total time taken. (c) Explain the significance of the following variables with reference to linesr programming problem: i. Entering variable ii. Leaving variable