Sylvia's annual salary increases from $102,300 to $109,500. sylvia decides to increase the number of vacations she takes per year from three to four. use the midpoint method to calculate her income elasticity of demand for vacations. round your answer to two decimal places.

In the market for widgets, the supply curve is the typical upward-sloping straight line, and the demand curve is the typical downward-sloping straight line. the equilibrium quantity in the market for widgets is 250 per month when there is no tax. then a tax of $6 per widget is imposed. as a result, the government is able to raise $750 per month in tax revenue. we can conclude that the after-tax quantity of widgets has fallen by a. 25 per month. b. 50 per month. c. 75 per month. d. 100 per month.