A vane shear test was conducted in a saturated soft clay, using a $100mm160mm$ vane. When the vane was rotated at the standard rate of $0\mathrm{.}1\frac{}{s},$ the torque measured in the torque meter increased to $60N*m,$ and with further rotation reduced to $35N*m.$ Determine the peak and residual undrained shear strengths of the clay.

$($Enter your answers to three significant figures.$)$

Peak undrained shear strength $=,k\frac{N}{m^2}$

Residual undrained shear strength $=,k\frac{N}{m^2}$