Voters now know well in advance what the town?s June 14 debt-exclusion override questions will cost them, thanks to a posting on the Marblehead website.The election ballot will include four questions:? $668,000 to make the Old Town House handicapped accessible;? $656,000 to monitor contamination from the old town landfill in neighborhood soil and water;? $18.1 million to cap the former town landfill, build a new solid waste building and purchase or take property in need of clean-up from landfill contamination;? and $25.4 million for a new Glover-Eveleth School.The 2011 tax rate is $10.21 per $1,000 valuation, a 64-cent increase. The owner of a median $483,000 home is paying $4,931 in taxes this year.The Old Town House improvements and the landfill-contamination monitoring program will be financed as one-time capital exclusions. They will add about 13 cents apiece to the Fiscal 2012 tax rate. The Old Town House project will add $64.10 to the tax bill for a median $483,000 home and the landfill monitoring program will add $63 to that tax bill, for one year.The two large projects will be financed through 20-year bond issues.The landfill capping, solid waste building construction and property taking will add 27 cents to the tax rate and will add $128.33 to the tax bill for a median home.The Glover School project is expected to receive $10 million in state reimbursement, making the net cost to the town $15.4 million. It will add 23 cents to the tax rate and $109 to the tax bill for a median home.If all four questions pass, they will add 75 cents to next year?s tax rate and 49 cents to each year?s tax rate for 19 years after that. They will add $364.40 to the tax bill for a median home next year and $237.33 to each year?s tax rate for 19 years after that.