=IF(AH9>54,450,IF(AH9>48,400,IF(AH9>42,350,IF(AH9>36,300,IF(AH9>30,250,IF(AH9>24,200,IF(AH9>18,150,IF(AH9>12,100,IF(AH9>6,50,0))))))))/C9*D9,