If the market$-$size variance is $$400$ U and the sales$-$mix variance is $$700$ F$,$ and the market share variance is $$300$ F$,$ we know that which of the following is TRUE?

Question $21$ options:

A$)$

The sales$-$volume variance is $$600$ F$,$ and the sales$-$quantity variance is $$100$ F$.$

B$)$

The sales$-$quantity variance is $$100$ F$.$

C$)$

The sales$-$volume variance is $$600$ U$.$

D$)$

The sales$-$quantity variance is $$100$ U$,$ and the sales volume variance is $$600$ F$.$

E$)$

None of the available choices are True.