5. You recently bought a cell phone and with 10.4% sales tax included, you paid $634.80. What was the original cost of the phone? Round your answer to the nearest dollar. (2 points) 6. If there are two thousand new Starbucks stores built in the United States each year, find the building rate in new stores per hour. (2 points) 7. The annual per capita consumption of alcohol in the form of beer in the United States increased from 0.71 golions per person in 1940 to 2 35 gallons per person in 1996 Find the relative change over that time period, (2 points) 10