Micro Economics 2 questions

In each of the following cases, indicate which good you think has a relatively more price elastic demand and identify the most likely reason, in terms of the determinants of the elasticity of demand (more substitutes, greater share of budget, or more time to adjust).a. cars or Chevroletsb. salt or housingc. food or riced. natural gas this month or over the course of a year

 

The Cowtown Hotel is the only first-class hotel in Fort Worth. The hotel owners hired economics advisors for advice about improving the hotel’s profitability. They suggested it could increase this year’s revenue by raising prices. The owners asked, “Won’t raising prices reduce the quantity of hotel rooms demanded and increase vacancies?” What do you think the advisors replied? Why would they suggest increasing prices?