Estimating the cost of a network is complex than estimating the cost of onenew piece of data processing hardware. a.much more b. much lessc. about the same d. exactly the same e. a little more

2pointswho was mikhail gorbachev? oa. a russian leader who opposed a coupob. a polish leader who founded the labor union "solidarityoc. a soviet leader who called for a closer relationship with the unitedstates, economic reform, and a more open societyd. a soviet leader who called for more oppression in the soviet union