OSID - osid.ordering.Cost Service Interface Definition

Interface	osid.ordering.Cost
Implements	`osid.OsidCapsule`
Used By	`osid.ordering.CostList`
Description	A cost for a line item.
Method	getPriceScheduleId
Description	Gets the price schedule `Id` to which this price belongs.
Return	`osid.id.Id`	the price schedule `Id`
Compliance	`mandatory`	This method must be implemented.
Method	getPriceSchedule
Description	Gets the price schedule to which this price belongs.
Return	`osid.ordering.PriceSchedule`	the price schedule
Errors	OPERATION_FAILED	unable to complete request
Compliance	`mandatory`	This method must be implemented.
Method	getAmount
Description	Gets the cost.
Return	`osid.financials.Currency`	the cost
Compliance	`mandatory`	This method must be implemented.