Extracted text: From the given data of a differential leveling as shown in the tabulation: STA. B.S. F.S. ELEV. 5.87 392.25 7.03 6.29 3.48 6.25 4 7.25 7.08 10.19 5.57 9.29 4.45 7 4.94 Find the difference in elevation between first station and the last station, and the height of the instrument at the 4th station. Show your solution on a separate table and box your final answers. 1.