Geocentric companies are integrated on a global scale

The shortest of all paths through the network is the critical path

Indicate whether the statement is true or false

In solving a linear programming minimization problem using the simplex method,

A) every time an artificial variable is added, a surplus variable must also be added. B) every time an artificial variable is added, a surplus variable must be subtracted. C) every time a surplus variable is added, an artificial variable must be added. D) every time a surplus variable is added, an artificial variable must be subtracted. E) every time a surplus variable is subtracted, an artificial variable must be added.