1a.Calculate price elasticity for bagels, when the dozen price falls from $10 to $8 and

Quantity increases from 900 to 1200 dozen per day.Was the price cut a good idea and why?

1b. If P remains at $10, but average daily income in the market increases from $200 to $250 and quantity increases from 900 to 1000 dozen per day, calculate income elasticity. Explain

1c.Supposethe bagel price remains $10 but the dozen price for donuts drops from $8 to $6 and bagel sales quantity drops from 800 to 700 per day. What is cross elasticity of demand and what does it tell you about these 2 products?