In a process of purchasing a CNG car, one has to select the best car model out of various models.

To select this, he$/$she decides to use analytic hierarchy process $($AHP$).$ The criteria have to be

rated and the weights to be assigned based on the comparison matrix $[$C$]$ provided below.

Do the following calculations

$($d$)$ Complete the criteria comparison matrix

$($e$)$ Calculate the criteria weights

$($f$)$ Check for the consistency for the assigned criteria weights