We expect a car’s highway gas mileage to be related to its city gas mileage (in mpg). Data for all 1209 vehicles in the government’s 2016 Fuel Economy Guide give the regression linehighway mpg=7.903+(0.993×city mpg)for predicting highway mileage from city mileage.(a) What is the slope of this line? (Enter your answer rounded to three decimal places.)slope: