A joint production process at Berry Lane Farm results in two products, blackberry syrup and blackberry jam. The following cost and activity data relate to these two products: Blackberry syrup Blackberry jam Joint costs allocated $10,000 $12,000 Number of units produced from joint process 1800 1800 Selling price at split-off point $2.90 $1.75 Selling price after processing further $5.50 $2.00 Cost of processing further $2300 $2300 Blackberry syrup can be sold as-is (at the split-off point) for $2.90 per unit, or it can be processed further into a specialty blackberry juice and then sold for $5.50 per unit. If blackberry syrup is processed further into the specialty blackberry juice, what would be the overall effect on operating income