Answer the following briefly. 1 mark for each part

1. This year's dividend of $1.50 per share is a 5% increase over the last year's dividend per share. What was the last year's dividend per share?
2. What does QSD represent in an interest rate swap?
3. Let us say, the stock exchange listing requirements stipulate that once the share of your company trades at a price of $20 or less, the share will be delisted from the exchange and no further trades will be allowed. You observe that currently the share of your company is trading at around $25 per share on the stock exchange. What do you recommend in such a situation: A stock split or a reverse stock-split? Why?
4. Joysforu Ltd.'s stock sells for $13 per share. A call option on the stock is available with an exercise price of $14 and sells for $1. Is this situation tenable? Why?
5. What is a natural hedge?