Becky only eats out at Macaroni Grill and eats out three times per month. She receives a raise from $31,900 to $33,500 and decides to eat out five times per month. Use the midpoint method to calculate the monthly income elasticity of demand for eating out. Round your answer to two decimal places. income elasticity of demand: This good is O a normal good. O an inferior good. O a luxury good