The initial margin requirement is $60\%.$

The maintenance margin requirement is $30\%.$

Attempt $1/1$

Part $1$

An investor buys $1000$ shares of QXZ at $$76$ on margin. How much money needs to be deposited in the account to meet the margin requirement?

Attempt $1/1$

Part $2$

At what price will the investor receive a margin call?

Attempt $1/1$

Part $3$

QXZ increases by $$10.$ What is the investor's margin now?

Attempt $1/1$

Part $4$

After the stock increased by $$10$ in Part $3$ above, the investor sells $10$ contracts of a QXZ $88$ put option for $$15.$ When the call option expires, QVZ stock has increased further by $$15.$ What is the percentage profit to the investor?