When setting up a Transportation problem in Solver, you have to tell Solver

When setting up a Transportation problem in Solver, you have to tell Solver

A: in what cell the Total Cost calculation is found $($Set Objective$)$

B: in which cells to put the solution $($By Changing Variable Cells$)$

C: the Supply and Demand constraints $($Subject to the Constraints$)$

D: All of the above