Calculate elasticity of demand

A R C D price quanity supplied quantity demanded Elascticity 1.25 2 17 no value 2.25 4 14 4 3.25 6 IF ! 4.25 CO 5.25 10 6.25 12 8 7.25 14 10 11 1) calculate price elasticity of demand 12 2) if I decreased price from $6.25 to $5.25 would this be a good idea for a merchant? Explain 13 3) How would a price increase from $1.25 to $2.25 affect the consumers? Explain 14 15