1 2 3 1 _ _ _ 2 _ _ _ 3 _ _ _ ACROSS 1) a tax levied on the difference between a commodity's price before taxes and its cost of production 2) a militant organization of irish nationalists who used terrorism and guerilla warfare in an effort to drive british forces from northern ireland and achieve a united independent ireland 3) the sense organ for h___ing and equilibrium DOWN 1) compete for something; engage in a contest; measure oneself against others 2) a constellation in the southern hemisphere near telescopium and norma 3) any of various dark heavy viscid substances obtained as a residue ** Scroll down for solution. ** Are you sure you want to peek? vat ira ear