question 3 and 4 please

Question 3 D! 0.5 pts If the price of natural gas rises, when is the price elasticity:r of demand likely to be the highest? one month after the price increase one year after the price increase ; immediately after the price increase three months after the price increase Question 4 D! 0.5 pts For a good that is a luxury. demand ; tends to be inelastic; cannot be represented by a demand curve in the usual way. tends to be elastic. has unit elasticity