FCU,Level_1,Level_2,Level_3,Value, Cost,Test
'FCU1',A,AA,AAA,10,5,d
'FCU2',A,AA,AAB,20,6,1
'FCU3',A,AB,ABA,30,4,1
'FCU4',A,AB,ABB,40,3,f
'FCU5',B,BA,BAA,50,4,1
'FCU6',B,BA,BAB,60,7,1
'FCU7',B,BB,BBA,70,4,1
'FCU8',B,BB,BBB,80,?,x
FCU9,C,C,C,90,x,x