Members of the Grass Valley City Council are expected to form a process today that will lead to a five-person oversight committee charged with reviewing and advising the city’s expenditure of $2.4 million brought in annually from a voter-approved half-cent local sales tax measure. Part of Measure N’s approval earlier this month is the creation of a five-member advisory group that will meet three to four times throughout the year to review and give non-binding direction on expenditures. The membership selection process is at the discretion of the council, noted City Manager Dan Holler in his staff report. Council could …