anchor.diff:  us-east-1.windows.m1.small,0.12
   us-east-1.windows.m1.large,0.48
   us-east-1.windows.m1.xlarge,0.96
  +us-east-1.windows.m2.xlarge,0.62
   us-east-1.windows.m2.2xlarge,1.44
   us-east-1.windows.m2.4xlarge,2.88
   us-east-1.windows.c1.medium,0.29
  
positive.code: eu-west-1.windows.m1.small,0.12
  eu-west-1.windows.m1.large,0.48
  eu-west-1.windows.m1.xlarge,0.96
  eu-west-1.windows.m2.2xlarge,1.44
  eu-west-1.windows.m2.4xlarge,2.88
  eu-west-1.windows.c1.medium,0.29
  
negative.code: us-west-1.windows.m1.small,0.13
  us-west-1.windows.m1.large,0.52
  us-west-1.windows.m1.xlarge,1.04
  us-west-1.windows.m2.xlarge,0.69
  us-west-1.windows.m2.2xlarge,1.58
  us-west-1.windows.m2.4xlarge,3.16
  us-west-1.windows.c1.medium,0.31
  