Using the copper stress$-$strain data provided, determine the strain

hardening exponent using an appropriate model of the material and estimate the strain and stress at which this material will neck in tension using this model. Compare this result to the values provided. Discuss.

$\backslash$table$[[$Stress $($MPa$),0,141,202,252,290,319,343,360,373,390],[$Strain$,0\mathrm{.}00,0\mathrm{.}087,0\mathrm{.}172,0\mathrm{.}259,0\mathrm{.}339,0\mathrm{.}413,0\mathrm{.}482,0\mathrm{.}547,0\mathrm{.}608,0\mathrm{.}770]]$