Kendra Industries owned investment securities with a book value of $$15$ million on August $12.$ At that time, Kendra's board of directors declared a property dividend consisting of these securities$.$ The fair value of the securities was as follows:

Declaration $--.$ August $12$

$$18$ million

Date of record $--.$ September $1$

$20$ million

Distribution date $---$ September $20$

$25$ million

By how much is total stockholder' equity reduced by the property dividend?

$$15$ million

$$20$ million

$$25$ million

$$17$ million