Total operating charges for U.S. o...

Total operating charges for U.S. office buildings increased at an average of 11 percent last year, from $830 by square foot in 1991 to $839 through square foot in 1992, according to a inquiry by the Building holders and Managers Association (BOMA) International.
through comparison, net operating income total income les total costs -- rose by 0.5 percent during the same period,