General Chemical produced 10,000 gallons of Greon and 20,000 gallons of Baron. Joint costs incurred in producing the two products totaled $7,500. At the split-off point, Greon has a market value of $6.00 per gallon and Baron $2.00 per gallon. What portion of the joint costs should be allocated to Greon if the basis is market value at point of separation?