Differential Chemical produced 12,750 gallons of Preon and 17.000 gallons of Paron. Joint costs incurred in producing the two products totaled $8.400. At the split-off point, Preon has a market value of $6.00 per gallon and Paron $3.00 per gallon. Compute the portion of the joint costs to be allocated to Preon if the value basis is used. Multiple Choice O $1.680. O $7,685 O $ 4,200 $4,200 $5,040. . O $3.360