From the boolean function below

Give

(i) the number of PIs (prime implicants) in the K-map of the function,

(ii) the number of EPIs (essential prime implicants) in the K-map of the function

(iii) its simplest SOP expression

(iv) its simplest POS expression.

You may the K-maps below

G(A,B,C,D) = IIM(3,4,5,6,11,15). IIX(0,2,8,10). B A D