The Formula to Compute the Value of the "Block Premium

The formula to compute the value of the "block premium" is

A)

$\frac{Price per share paid for the control block - the exchange price after the control transaction }{ the exchange price after the announcement of the control transaction}$
B) $\frac{Price per share paid for the control block - the exchange price after the control transaction }{ price per share paid for the control block}$
C)



$\frac{the exchange price after the control transaction - price per share paid for the control block}{ price per share paid for the control block}$
D)


$\frac{Price per share paid for the control block - the exchange price after the control transaction}{ the exchange price prior to the announcement of the control transaction}$