Consider the transportation problem and its optimal solution in the tables below. What is the value of the objective function?

D$1$ D$2$ D$3$ D$4$ Supply

S$1128911105$

S$21973015145$

S$3810141650$

Demand $80607090$

D$1$ D$2$ D$3$ D$4$ Supply

S$1300705105$

S$2060085145$

S$35000050$

Demand $80607090$

Group of answer choices

$$3140$

$$2100$

$$169$

$300$ units