$5.$ Minerva, Inc. has one class of stock, owned $20$ percent by Mr$.$ Peters, $20$ percent by Mrs$.$ Peters, $15$ percent by Mrs$.$ Peters's brother, $10$ percent by Mr$.$ & Mrs$.$ Peters' grandchild, and $35$ percent by Blake, Mrs$.$ Peters' son from a previous marriage.

$($A$)$ What percentage of Minerva Inc does Mr$.$ Peters own, directly and constructively under $318?$

$($B$)$ What percentage of Minerva Inc does Mrs$.$ Peters own, directly and constructively under $318?$