The Average Gas Price in Roanoke a year ago, in 2021, was $2.24. Using the 2021 price as the reference value, what is the price index for 2022? Round your answer to the nearest tenth. 140.6 Suppose it cost $30 to fill a vehicle's gas tank in 2021. Using the price index that you found above, how much will it cost in 2022 to fill the same vehicle with the same amount of gas? (You do not need to type the dollar sign with your answer.)