please answer these.

What is the total liabilities immediately following a margin purchase of 50 shares at $80/ share given an initial margin of 50%. $4,000 $2,000 $1,000 not enough information to answer. Which of the following risks is not diversifiable? systematic risk non-systematic risk idiosyncratic risk total risk An In-The-Money (ITM) option.. is an option where the exercise price generates a positive cash flow for the short position. is an option where the exercise price generates a positive cash flow for the long position. generates a positive cash flow when exercised for call options and a negative cash flow when exercised for put options. generates a positive cash flow when exercised for put options and a negative cash flow when exercised for call options