Look at the LP below: min z = 2x1 + 3x2

s.t.

2x1 + x2 >=4

x1 - x2 >= -1

x1, x2 >=0.

Use the Big M method and complete row 0 of the initial tableau given below. (Write the term with M first. For example 3M-4. Do not write -4+3M. Use upper case M. Do not use * or x sign to show 3M)

z x1 x2 e1 s2 a1 RHS