The county is set to spend about $2.9 million in a package real estate deal that includes the former Bank of America building in Nevada City and 13,000 square feet of office space located above Friar Tuck’s. “This is a lease versus buy decision,” Deputy County Executive Officer Joe Christoffel said. “Instead of paying rent, we’ll pay a mortgage.” Pending approval by the Nevada County Board of Supervisors, the county will spend $655,000 on the former Bank of America building at 201 Commercial St. and pay $1.4 million for the office space at the corner of Commercial and South Pine …