In a rectangular park, there is an elliptical flower bed in the middle and the border. The side lengths of the park are 30m and 20m. Major axis & minor axis are of length 14m and 10m respectively. Around the flower bed in the middle there is a walking path 1.4 m wide and in the middle of each side there is entrance of 2m width to the park upto the walking path. At the border the width of flower bed is Im. Rest of the park is grass area. If the entire walking path is covered by bricks of dimension 10 x 20 cm2, find the approximate number of bricks required. If cost of reading the grass and plating the flowers is Rs.10 and Rs:.50 per square metre and cost of a brick is Rs.2. Find total cost of renovation