José Corporation Realized $900,000 Taxable Income from the Sales of Its

José Corporation realized $900,000 taxable income from the sales of its products in States X and Z.José's activities in both states establish nexus for income tax purposes.José's sales,payroll,and property among the states include the following. $\begin{array}{llll}&\textbf{State X} &\textbf{State Z}&\textbf{Totals}\\\text { Sales } & \$ 1,500,000 & \$ 1,000,000 & \$ 2,500,000 \\\text { Property } & 500,000 & -0- & 500,000 \\\text { Payroll } & 2,000,000 & -0- & 2,000,000\end{array}$ X utilizes an equally weighted three-factor apportionment formula.How much of José's taxable income is apportioned to X?

A) $120,000.
B) $450,000.
C) $780,000.
D) $900,000.