Refer to the spreadsneet Delow.

What formula should be used to determine the Flow Into Node value in cell E$6($to be copied to E$7$:E$19)$ in the spreadsheet above?

SUMPRODUCT$($L$6$:L$14,$ A$6$:A$19)-$ SUMPRODUCT$($E$6$:E$19,$ A$6$:A$19)$

SUMIF$($$F$$6$:$F$$19,$ J$6,$ $E$$6$:$E$$19)-$ SUMIF$($$B$$6$:$B $$19,$ J$6,$ $A $$6$:$A

SUMIF$($F$6$:F$19,$ J$6,$ A$6$:A$19)+$ SUMIF$($F$6$:F$19,$ A$6,$ A$6$:A$19)$

SUMIF$($F$6$:F$19,$ $J$$6,$ A$6$:A$19)-$ SUMIF$($F$6$:F$19,$ $A$6,$ A$6$:A$19)$

None of the above