To determine the distance between two points A and B, a tacheometer was set up at P and the following observations were recorded. (a) Rod at A Rod readings = 2.225, 2.605, 2.985 Vertical Angle = + 7°54' (b) Rod at B Rod readings = 1.640, 1.920, 2.200 Vertical Angle = - 1º46' (c) Horizontal Angle APB = + 68°32'30" Elevation of A = 315.600m k = 100m c = 0.00m Determine the distance AB and the elevation of B.

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