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 sourcing of the interest income received by Josita? $\begin{array}{lccc} & \text { U.S.-source } & \text { Active Foreign } & \text { Total Gross } \\\text { Year } & \text { Income } & \text { Business Income } & \text { Income } \\\text { Year 1 } & \$ 200,000 & \$ 500,000 & \$ 700,000\\\text { Year 2 } & 50,000 & \$ 50,000 & 1,000,000 \\\text { Year 3 } & \underline{100,000} & {900,000}& \underline{1,000,000} \\\text { Totals } & \underline{\$350,000}&\underline{\$ 2,350,000} & \underline{\underline{\$ 2,700,000}} \\\text { Year 4 } & \$ 150,000 & \$ 950,000 & \$ 1,100,000\\\end{array}$