Answer:
14 points
Step-by-step explanation:
The computation of the gain per share by the customer is shown below:
Gain per share = Sale proceeds of share - buying stock per share - premium received by the customer in case of the put option
= $80 per share - $70 per share - $4 per share
= $80 per share - $66 per share
= 14 points
The buying stock per share - premium received by the customer in case of the put option is also known as net cost to the customer
Therefore we simply applied the above formula