A transportation problem has two origins: A can supply $20$ units and B can supply $50$ units. This problem has two destinations: C requires $25$ units and D requires $35$ units. Which of the following is TRUE?

Group of answer choices

The problem is unbalanced and cannot be solved by the transportation method.

The problem will require a dummy supply with a capacity of $10$ units.

Destinations C and D must each receive $5$ units more than they require.

The problem will require a dummy demand with a capacity of $10$ units.

None of these is true.