In the interconnection of ideal sources shown in the figure, it is known that the $60 \mathrm{~V}$ source is absorbing power.
Which of the following can be the value of the current source $\text{I}?$
- $10 \mathrm{~A}$
- $13 \mathrm{~A}$
- $15 \mathrm{~A}$
- $18 \mathrm{~A}$