The following data were recorded during the tensile test of a 14-mm-diameter mild steel rod. The gage length was 50 mm. Load Elongation (mm) 0 0 6310 0.010 12600 0.020 18800 0.030 25100 0.040 31300 0.050 37900 0.060 40100 0.163 41600 0.433 Load Elongation (mm) 46200 1.25 52400 2.50 58500 4.50 68000 7.50 59000 12.50 67800 15.50 65000 20.00 61500 Fracture Plot the stress-strain diagram and determine the following mechanical properties: (a) proportional limits; (b) modulus of elasticity; (c) yield point; (d) ultimate strength; and (e) rupture strength.