Answer:
$60 million
Step-by-step explanation:
Calculation to determine By what amount will Z's shareholder's equity be increased as a result of having granted the option
Using this formula
Increased in shareholder's equity=Fair value per option*Options granted
Let plug in the formula
Increased in shareholder's equity=$4* 15 million shares
Increased in shareholder's equity=$60 million
Therefore The amount that Z's shareholder's equity increased as a result of having granted the option is $60 million