Chris sold short $100$ shares of ABC stock at $$21$ per share. ABC paid shareholders a dividend of $$3$ per share. Chris purchased ABC stock for $$15$ per share to cover his short position. Each trade costs $50$ cents per share in commissions.

Required:

a$.$ What is the proceeds from the short sale $($net of commission$)?$

b$.$ What is the dividend payment?

c$.$ What is the total cost, including commission, if you have to cover the short sale by buying the stock at a price of $$15$ per share?

d$.$ What is the net gain from your transaction?