For example $6\mathrm{.}8$: What are the values of Shear Stress at Junsction of Flange and Web??

$15\mathrm{.}02$ MPa&$1\mathrm{.}50$MPa

$17\mathrm{.}36$MPa&$0\mathrm{.}95$MPa

$12\mathrm{.}55$ MPa & $1\mathrm{.}75$MPa

$16\mathrm{.}12$ MPa&$1\mathrm{.}80$MPa