Ok first you have you have to find the unit price. But first we have to change the quarts to gallons. One gallon is 4 quarts. 8 Quarts is 2 gallons
Lovin Lemon
4 gal: $24
1gal: $6
Sweet and sour
2 gal: $16
1gal: $8
Since 8 is less than 6, The Sweet And Sour company has the higher price