How much did ground chuck cost in 1980?

January 1980 $1.82 per pound February 1980 $1.84 per pound March 1980 $1.86 per pound April 1980 $1.82 per pound May 1980 $1.81 per pound June 1980 $1.79 per pound July 1980 $1.78 per pound August 1980 $1.84 per pound September 1980 $1.87 per pound October 1980 $1.86 per pound November 1980 $1.85 per pound December 1980 $1.86 per pound