What is Premier of Western Australia?
{{Infobox official post | post = Premier | body = Western Australia | insignia = Western Australian Coat of Arms.svg | insigniasize = 120px | insigniacaption = [[Coat of arms of Western Australia|Western Australian Coat of Arms]] | flag = Flag of Western Australia.svg | flagsize = 120px | flagcaption = [[Flag of Western Australia]] | image = 3 Feb 15 FREO FSH gnangarra-123.jpg | imagesize = 200px | imagecaption = | incumbent = [[Roger Cook (politician)|Roger Cook]] | acting = | incumbentsince = 8 June 2023 | department = [[Department of the Premier and Cabinet (Western Australia)|Department of the Premier and Cabinet]] | style = {{plainlist| * [[The Honourable]] (formal) * [[Premier]] (informal) }} | status = [[Head of Government]] | member_of = {{hlist|[[Parliament of Western Australia|Parliament]]|[[National Cabinet (Australia)|National Cabinet]]|[[Cook ministry (Western Australia)|Cabinet]]|Executive Council}} | reports_to = [[Parliament of Western Australia|Parliament]] | seat = [[Dumas House]], [[Perth, Western Australia|Perth]] | appointer = [[Governor of Western Australia]] | appointer_qualified = <small>by [[Convention (norm)#Government|convention]], based on appointee's ability to [[Parliamentary system|command confidence]] in the [[Western Australian Legislative Assembly|Legislative Assembly]]</small> | termlength = [[At the Governor's pleasure]] | termlength_qualified = <small>contingent on the premier's ability to [[Parliamentary system|command confidence]] in the lower house of Parliament</small> | constituting_instrument = {{nowrap|None ([[Constitutional convention (political custom)|constitutional convention]])}} | formation = 29 December 1890 | first = [[John Forrest]] | deputy = [[Deputy Premier of Western Australia]] | salary = A$355,681<ref>{{cite web |title=Members of Parliament Tribunal Determination No 1 of 2020 |url=https://www.wa.gov.au/government/publications/members-of-parliament-tribunal-determination-no-1-of-2020 |website=WA.gov.au |access-date=26 June 2022}}</ref><ref>{{cite web |l