Extracted text: Problem 2: The accompanying tabulation gives elevations of points over the area of 30m by 30 m residential lot. The elevations were obtained using 10m squares. PointA - 1 is located in the northwest corner of the lot and D-4 at the southeast corner. All elevations are in meters. TAANA Point 1 2 4 178.8 182.5 183.5 83.6 B 183.3 185.9 193.7 187.2 182.8 188.6 191.8 189.3 D 182.5 190.4 192.6 189.5 a) Plot the corners using a scale of 1cm = 2m and a contourinterval of one meter. b) All corners designations and corresponding elevations must be indicated, including all vertical and horizontal lines. c) Indicate the elevations of the following index contours: 180m, 185m, `190, and The thickness of the index contours must be drawn about twice the thickness of the intermediate contours. d) Use pencil for the initial plot and the final plot using technical pen.