Buyers of Options Maturing in More Than Nine Months Can

Buyers of options maturing in more than nine months can borrow up to 25 percent of the purchase price,while buyers of shorter maturity options must keep the full purchase price in their margin accounts.If you are buying two contracts of a put option maturing in six months for $6 and three contracts of a call option maturing in ten months for $4,then the minimum amount that you must keep in the margin account is:

A) $900
B) $1,200
C) $2,100
D) $2,400
E) None of these answers are correct.