A) You are given the following information for buying a stock in XYZ on "margin."

> Purchase price is $100

> Initial Margin Requirment = 70%

>Maintenance Margin Requirement = 20%

If you purchase 100 shares of XYZ @ $100, your margin loan associated with this purchase is:

B) You are given the following information for buying a stock in XYZ on "margin."

> Purchase price is $100

> Initial Margin Requirment = 70%

>Maintenance Margin Requirement = 20%

If you purchase 100 shares of XYZ @ $100, the minimum collateral required for buying this stock on margin is: