Refined Mills Orders "Grade A" Oats from Sweet Valley Farms

Refined Mills orders "Grade A" oats from Sweet Valley Farms to grind and sell to Town Co-op Grocery.Sweet Valley ships "Grade B" grain,which Refined Mills accepts.To recover damages for the nonconformity,Refined Mills must give notice of the breach within a reasonable time to 

A)  ​Sweet Valley. 
B)  ​Town. 
C)  ​no one. 
D)  ​the appropriate state government agency.