【導讀】Intheargumenttheauthorremendsthatthestoreshouldaddaclothingdepartment,anautomotivesuppliersandrepairshop,alongwitharangeofservicesinthenextfewyearstogainapetitiveadvantageoverotherlocalstores.Severalreasonsareofferedinsupportoftheargument.Firstofall,theauthorpointsoutthatthetotalsalesofthestoreincreasedby20percentsincetheadditionofapharmacysectiontotheexistinggrocerystore.Inaddition,theauthorargue