Honeydue Productions uses the Transportation $($i$.$e$.$ "Tableau"$)$ method for production planning purposes.

The costs of production are:

Regular Production Cost $=$ $$5/$unit

Overtime Production Cost $=$ $$10/$unit

Subcontracting production cost $=$ $$15/$unit

Backordering cost $=$ $$9/$unit per quarter

Inventory cost: $$4/$unit per quarter

The capacity constraints are:

Regular production capacity: $2000$ units per quarter

Overtime production capacity: $700$ units per quarter

Subcontracting production capacity $=3000$ units per quarter

The begninning inventory is $1100$ units.

Quarterly demands are:

Q$1-7000$ units

Q$2-4400$ units

Q$3-4200$ units

The Tableau, with some values filled in$,$ is below: