During Year 4, Josita, an NRA, Receives Interest Income of $50,000

During Year 4, Josita, an NRA, receives interest income of $50,000 from Talmadge, Inc., an unrelated U.S. corporation. Considering the following facts related to Talmadge's operations, what is the source of the interest income received by Josita? $\begin{array}{lccc}\text { Year }&\begin{array}{c}\text { U.S.-source } \\\text { income }\end{array} & \begin{array}{c}\text { Active for eign } \\\text { business income }\end{array} & \begin{array}{c}\text { Total gross } \\\text { income }\end{array}\\\hline\text { Year 1 } & \$ 200,000 & \$ 500,000 & \$ 700,000 \\\text { Year } 2 & 50,000 & 950,000 & 1,000,000 \\\text { Year } 3 & 100,000 & 900,000 & 1,000,000 \\\text { Totals } & \mathbf{\$ 3 5 0 , 0 0 0} & \mathbf{\$ 2 , 3 5 0 , 0 0 0} & \mathbf{\$ 2 , 7 0 0 , 0 0 0}\\\text { Year } 4&\$150,000&\$950,000&\$1,100,000\end{array}$