Intro

The stock price of Google is $554. You think the stock price will decrease, so you want to short 20 shares.

Part 1

If the initial margin is 50%, what is the minimum additional dollar amount that you have to deposit from your own funds to your brokerage account?

Part 2

If you contribute the amount above (your answer to Part 1), what is your initial percentage margin (entered as a decimal number)?

Part 3

Two months later, the stock price is $574. Google paid a dividend of $5 per share just before the two months were over. What is your percentage margin (entered as a decimal number)?