For each scenario, is there a shift to the left, a shift to the right, or a movement along the demand curve: (i) The price of Burger King's Whopper hamburger price declines. (ii) McDonald's distributes coupons for a dollar of a Big Mac purchase. (iii) Due to the shortage of potatoes, the price of French fries increases. (iv) Fast food restaurants post nutrition warning labels . (v) The U.S. economy experiences a rapid growth in incomes