Q9) Parsa buys cell phones from the U.S. for $350 and sells them in Canada for $600. If he incurs advertising costs of $20,000 per year, determine: (4 marks) a. How many phones must he sell to breakeven? b. How much profit would he make if he sold 300 phones. c. Parsa is now considering increasing the price of his phones to $730. How many phones must he now sell to make the same amount of profit as in part b? d. How many less phones is that from part b? e. What is the percentage sales can decline to make the same profit as part b