Paolo purchased 1,000 shares of Blackberry common stock at a price of $48 per share. The investment is "option-eligible". He provided the minimum margin required and borrowed the remainder of the funds. If Blackberry shares increased in price to $50, Paolo could ...

A) Withdraw a maximum of $1,000 from his account, but he would be required to pay interest on that extra $1,000 in addition to the original $24,000 he borrowed

B) Withdraw a maximum of $1,000 from his account, but he would not be required to pay interest on that extra $1,000 in addition to the original $24,000 he borrowed

C) Withdraw a maximum of $1,400 from his account, but he would be required to pay interest on that extra $1,400 in addition to the original $33,600 he borrowed

D) Withdraw a maximum of $1,400 from his account, but he would not be required to pay interest on that extra $1,400 in addition to the original $33,600 he borrowed