Answer:
The answer is elastic; decrease
Step-by-step explanation:
Price elasticity of demand (PED) = %change in QD/ %change in price
PED = (2-1.55/1.55 ) * 100 / (160-220/220) *100 = 1.065
PED is elastic
Total revenue before price change = 1.55*220= $341.00
Total revenue after price change = 2* 160 = $320.00
Total revenue decreased by $21.00