COLUMBIA, S.C. — CBRE has brokered the $28.1 million sale of Tower at 1301 Gervais, a 298,926-square-foot office building in Columbia. Greenville, S.C.-based RealOp Investments acquired the property from Florida-based Morning Calm Management. Patrick Gildea, Aaron Dupree, Martin Moore and Matt Smith of CBRE represented the seller in the transaction. The 20-story Tower at 1301 Gervais recently underwent a $2 million renovation, including upgrades to the fitness center, common areas, restrooms and tenant spaces offering open floor plans. At the time of sale, the building was 80 percent leased to tenants including the University of South Carolina, South Carolina Chamber of Commerce, Cumulus Media, TM Floyd & Co., IT-oLogy and Merrill Lynch.