The shear stresses of five specimens taken at various depths in a soil stratum are listed below: Depth, h (m) Stress, T (kPa) 1 2 3 4 5 5.8 7.0 7.5 7.8 8.0 Ah Fit the equation (T: -), where A and B are constants, to this data then use it to B+h estimate the shear stress at a depth of 8 m.