Prices on essential grocery goods in Questa, New Mexico. The three establishmenta catalogued here are the SDC Valley Market, Family Dollar, and Dollar General. The prices listed are NOT the only pirces listed, simply the least expensive options. Eggs: $2.75 (1 dozen)Milk: 1/2 gallon, $3.45; 1 gallon, $5.19 Butter: $4.39 (3.5 oz.); $3.99 (3 lb.)Olive…