Looks like the following works:
@breakdown[2].items.find_all {|item| item.prodtreat == "T"}.sum{|item|
item.spend}
Really have no idea why? So any help would be enlightening.
Thanks
Darren
PS. Have a feeling that this can be simplified to:
@breakdown[2].items.find_all {|item| item.prodtreat == "T"}.sum
(&:spend)
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