Hey Gary, a little fact checking would go a long way to your credibility, Calgary's Sept 2017 unemployment rate is 8.5. according to the latest info, not 4.6% your reporting
 Should Alberta cut it's spending? Most definitely. Should Alberta have a sales tax? Probably will have to, once all the NDP's bills come in and need to be paid.
Will Alberta need new revenue streams? You bet, starting with a tax on BC, Ontario and Quebec goods crossing our borders. If they don't allow our oil to travel across there's, then we'll need to charge them a road tax. If they don't like the idea, the Chinese companies can send their goods the long way around.
Alberta buys most of it's goods from the US already,  so Ontario and Quebec can also pay the road tax to send it's goods bound for BC the long way around too. Works for me and probably the majority of Alberta