Given the Following Transportation Tableau Where the Numbers in Each

Given the following transportation tableau where the numbers in each cell represent transportation costs from the specific source to the specific destination with supply figures corresponding to each source and demand figures corresponding to each destination:
$$\begin{array} { l c r c c c } & & &{ \text { Source } } \\& & \text { A } & \text { B } & \text { C } & \text { Demand } \\\hline & 1 & \$ 2.2 & 2.4 & 2.1 & 350 \\{ \text { Destination } }& 2 & 3.4 & 3.2 & 3.6 & 400 \\& 3 & 1.9 & 1.8 & 2.1 & 200 \\Supply&&200 & 300 & 450\\\hline\end{array}$$
-According to the Vogel's Approximation Method, the initial solution would give to cell B2 a loading of ________.