 Whether a MixedAmount has a missing amount
isMissingMixedAmount :: MixedAmount -> Bool
isMissingMixedAmount (Mixed ma) = amountKey missingamt `M.member` ma

--
isMissingMixedAmount :: MixedAmount -> Bool
isMissingMixedAmount (Mixed ma) = amountKey missingamt `M.member` ma
isMissingMixedAmount (Mixed ma) = amountKey missingamt `M.member` ma