$1.$ What is S$?$

$2.$ What is K$?$

$3.$ What is r$?$

$4.$ What is $\backslash$sigma $?$

$5.$ What is T $?$

$6.$ What d$1?$

$7.$ What is d$2?$

$8.$ What is N $($d$2)?$

$9.$ What is N $($d$1)?$

$10.$ What is the put option price?