[OASIS Issue Tracker] Commented: (EMIX-279) Extended Price can't beEMIX Price

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    [ http://tools.oasis-open.org/issues/browse/EMIX-279?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=24510#action_24510 ] 

Edward Cazalet  commented on EMIX-279:
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By price we generally mean unit price expressed in $/kWh for example.

Extended price is this price times a quantity of energy offered or purchase at that price.  Extended price is a $ amount for a known quantity of energy.  Typically extended price is only meaningful for a transaction and not a tender unless the tender is for a fixed amount.

We need to review this carefully in the next draft.

> Extended Price can't be EMIX Price
> ----------------------------------
>
>                 Key: EMIX-279
>                 URL: http://tools.oasis-open.org/issues/browse/EMIX-279
>             Project: OASIS Energy Market Information Exchange (eMIX) TC
>          Issue Type: Bug
>          Components: schema
>    Affects Versions: csprd01 Public Review Draft
>         Environment: Considine
>            Reporter: Toby Considine
>            Assignee: Edward Cazalet 
>
> On some of the top level EMIX objects, there is an Extended Price, which is defined as being of type EmixPrice. This makes no sense.
> There are cogent arguments for and against even having the Extended Price - it is quite possible it should be eliminated. That would answer this issue.
> If it stays, thought, it should not be of type EMixPrice. EmicPrice is a compound object in which there is a choice of:
> - A price, say, in [$], whthe this is per unit or absolute is not specified.
> - A Multiplier and a URI, say 1.25 * the base price, findable at uri
> - An Adder and a uri, say $2 more than the base price, findable at uri
>  For extedned price to make any kind of sense, it clealry can only be one of these. Somehow, as we added multiplier and adder, we muddled the overall price model in the schema.

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