(The Center Square) – The Spokane City Council approved a proposal from Mayor Lisa Brown on Monday that incentivizes police officers to retire to save the city money amid its $50 million deficit. Brown proposed the cost-saving measure just two weeks ago in an effort to close some of the structural gap. Under the approved version, officers at least 53 years old, with the combined age and service adding up to 70 years or more, are eligible to receive the benefits. Any eligible officers who apply by Aug. 1 could receive up to $1,000 a month for the next eight years if they agree to retire by Sept…