Liquid limit tests results are given below. $PL=13\mathrm{.}4\%$

$\backslash$table$[[$TEST$,$Number of blows, $N,$Moisture Content $(\%)],[$Liquid Limit,$14,38\mathrm{.}4],[,16,36\mathrm{.}5],[,20,33\mathrm{.}1],[,28,27]]$

a$.$ Show drawing of the flow curve and determine the liquid limit$.$

b$.$ What is the plasticity index of the soil?

Make you you provide everything there while answering i need expert to provide drawing $!!!$