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:

• How many phones must he sell to breakeven?
• How much profit would he make if he sold 300 phones.
• 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?
• How many less phones is that from part b?
• What is the percentage sales can decline to make the same profit as part b?