Spokane City Council members unanimously approved the city's $529 million 2007 budget, which includes a new $150-a-month mileage allowance for council members, plus the addition of four police officers and four firefighters. Many utility ratepayers will see their monthly bills for water, sewer and garbage increase by just more than 3 percent next year. However, people who don't irrigate heavily and commercial garbage customers will see smaller increases.