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Table 102 Maximize Z=34X1 +43 X2+29 X3 Subject to: 5 311+ 4 X2 + 7 X3 5 50 1X1+2X2+2X3516 3X1+4X2+1X359 all X; are integer and non-negative Final Integer Solution: Z = 203 Decision Variable Solution X1 1 X2 0 X3 6 14. Accoring to Table 16-2, which presents a solution for an integer programming problem, at the optimal solution, how much slack exists in the third constraint? A) 0 B) 9 C) 5| D) 6 E) -1