public Integer getNormalizedInstanceHours() {
        return this.normalizedInstanceHours;
    }
<p>
An approximation of the cost of the cluster, represented in m1.small/hours. This value is incremented one time
for every hour an m1.small instance runs. Larger instances are weighted more, so an Amazon EC2 instance that is
roughly four times more expensive would result in the normalized instance hours being incremented by four. This
result is only an approximation and does not reflect the actual billing rate.
</p>

@return An approximation of the cost of the cluster, represented in m1.small/hours. This value is incremented one
        time for every hour an m1.small instance runs. Larger instances are weighted more, so an Amazon EC2
        instance that is roughly four times more expensive would result in the normalized instance hours being
        incremented by four. This result is only an approximation and does not reflect the actual billing rate.
aws-java-sdk-emr/src/main/java/com/amazonaws/services/elasticmapreduce/model/Cluster.java