Because of their unlimited potential loss, short positions A) must be approved by a designated principal before execution. B) require a higher initial margin deposit. C) can only be taken by those who are accredited investors. D) are marked to the market at the close of each day.

answer; ///i believe the answer is (d) procedures to control the quailty of your product;

fractionally backed paper money

fiat money

paper money

metallic money

borrow money from the government then pay the government back 5k

answer; rapid growth in buyer demand and high buyer switching cost;