An estimate that's associated with a time period.
The currency of the estimate in USD.
The unit of measurement that's used for the cost estimate.
The period of time, in days, that an estimate covers. The period has a start date and an end date. The start date must come before the end date.
The number of pricing units used to calculate the total number of hours. For example, 1 unit equals 1 hour.
The amount of cost or usage that's measured for the cost estimate.