How to calculate cost of shares of unlisted private company

pooja Kotak (34 Points)

08 June 2023  
Hello

A unlisted private company allotted shares to a director at the time of incorporation 100 shares @ 10.

Further the said director purchased shares from other director 200 shares @ 500.

now he is selling 150 shares @ 700

in this case what will be cost of acquisition ??

500 or 10 ???