The town board shall set the compensation of supervisors, town assessors, the treasurer, clerk, deputy clerk, if one is employed, deputy treasurer, if one is employed, and other employees of the town. In addition, supervisors, assessors, treasurers, clerks, deputy clerks, deputy treasurers, and other employees of the town shall be entitled to mileage for the use of their own automobile at a rate to be determined by the town board for necessary travel on official town business. The town board may fix the hours of employment for town employees, and reimburse a town assessor for expenses.