Guys pls revert at the earliest

what will be the value of prerequisite if employer had provided the employee with two cars one big car worth Rs. 6,00,000/- and a small car worth Rs. 3,00,000/- and both the cars have been used for both personal and official purpose. employer has paid only official exp. of cars. the exp. relating to cars are Rs. 80,000/- for big car and Rs. 60,000/- for small.