1. when the price of the cake is $4, the quantity demanded is 40 slices. the quantity demanded for ice cream has increased from 60 boxes to 100 boxes when the price of the cake decrease to $2. calculate the cross elasticity and briefly discuss your result.
2. when the pizza price is $4, the quantity demanded of a pizza is 60 slices and the quantity demanded of cheese bread is 100 pieces. when the price of pizza is $2, the quantity demanded of cheese bread is 70 pieces. calculate the cross elasticity and briefly discuss your result.
3. the quantity demand for tea rises from 90 units to 110 units when the price of coffee increases from $80 to $1.20. calculate the elasticity and briefly discuss your result.
4. if income's rise from 500.00 dollars to 800.00 dollars, the quantity demand for rice has decreased from 20 kilos to 10 kilos, and the quantity demand for chicken has increased from 5 kilos to 10 kilos. calculate income elasticity for rice and chicken.

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