Calculating Base Casting Time and Energy Cost for Syntactic Magic

Still working out the details of my Elven Syntactic magic. I'm confused about something I came across in GURPS Thaumatology. In the section under Working The Effect, under Multiple Words, the text says "He [caster] gets to choose which verb and which noun will determine energy cost and time to cast" (Th186). However, earlier in the section Determining Base Energy Cost, under Verb-Noun Workings, the text says, "A working's cost is normally the sum of all the Words involved" (Th181). Under Casting Time, Verb-Noun Casting Times, it says, "The working's bast time requirement is the sum of the casting times for the constituent Words" (Th183).

So which is it?

Source: http://forums.sjgames.com/showthread.php?t=113689&goto=newpost

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