Consider the following statements: In a transportation problem, North$-$West corner method would yield$1.$ An optimum solution $2.$ An initial feasible solution $3.$ Vogel's approximate solution. Of these statements:

Ops: A$.1$ is alone correct

B$.2$ is alone correct

C$\mathrm{.}3$ is alone correct

D$\mathrm{.}2$ and $3$ are correct