How many SWU is required for itinerary including stopover(s)?
For example, A-B-C-D-A is priced at A-C r/t. B is a connection while D is a stopover permitted in the A-C fare rule. Am I supposed to use at least 1 SWU for A-B-C, C-D, D-E respectively?, namely 3 SWU for the whole itinerary? Would it be possible to argue for 1 SWU for C-D-E?

Thanks!