In a certain skyscraper the elevators whisk you to a resturaunt in the skyscraper at a speed of 800 feet in 70 seconds. if the resturaunt is 600 feet up how long will it take you to reach the restaurant by elevator? ?

Real gross domestic product: a) will increase if the price level increases. b) can change from one year to the next even if there is no change in output. c) will increase if the level of output increases. d) is a measure of inflation.