Extracted text: In a series leveling the readings of the staves were:0.44 - 1.64 - 2.94 - 3.98 U.17 - 2.12 - 4.11- 0.32 - 3.88 – 0.54 - 4.08 – 0.11- 3.96 – 4.00 – 2.44 – 0.11 - 3.86 – 0.59 The elevation of the ninth point was (149.73m), the leveling error was (0.01m) , the permissible error was (14.73mm), distance between each point and another was (50m), calculate the leveling constant and the corrected elevations.