Sherman residents have approved a budget.  During the referendum on Saturday, residents approved the $5.1 million municipal budget on a vote of 305 to 269.  Voters decided 346 to 228 in favor of the $9.3 million education plan.  The pair represent a 2.3 percent increase in spending over the current fiscal year.  A question about $20,000, from cell tower revenue and farm rental income be appropriated for repairs at Happy Acre Farms.  The vote was 414 in favor, 159 opposed.  The proposed septic tank management ordinance was rejected 250 to 308.