Hi, can someone give me the correct answers?

Hi, can someone give me the correct answers? I will very appreciate it.

Thanks

• Attachment 1
• Attachment 2

ECON 213 Q1Cross price elasticity= % change in demand for mustard/ % change in price fketchup% change in demand for mustard = (2500-2000)/ 2000 = 25%% change in price f ketchup = (4-2)/2 =...