"The Liberal government has adopted its Conservative predecessor’s plan to cut the increase to the annual Canada Health Transfer from 6 per cent, where it has been since 2004, to 3 per cent – an offer that was sweetened slightly in December to 3.5 per cent."
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This is not correct.

Harper changed the healthcare annual increase from 6% to an increase that is tied to Nominal GDP growth with a minimum increase of 3%.

What Trudeau offered was a flat 3.5% which the provinces rejected because it is actually LESS than what Harper offered when you calculate the increases over several years in line with increases to the nominal GDP.  It was a bait and switch by Trudeau and Moreau who didn't think that the provincial finance ministers could do math and he got called on it.  The side deals he signed kept the Harper figures.

Fortunately for Trudeau, journalists can't do math and the average Canadian relies on journalists for information.