Answer:
$8.1 per share
Step-by-step explanation:
The computation of the book value per share is shown below:
Book value per share = (Total equity - preference dividend) ÷ (number of shares) 
 = ($2,752,000 - $160,000) ÷ (320,000 shares) 
 = ($2,592,000) ÷ (320,000 shares) 
 = $8.1 per share
All other information which is given is not relevant. Hence, ignored it