The Oxnard Corporation processes a liquid component up to the splitoff point where two products, Mr. DirtOut and Mr. SinkClean, are produced and sold. There was no beginning inventory. The following data was collected for the month of January: Quantity of production Mr. Dirtout 150,000 Mr.Sinkclean gallons 100,000 gallons Cost of direct materials used in joint production process Cost of conversion in joint production process $300,000 $450,000 Oxford Corp. uses physical measure method to allocate the joint costs. Oxford Corporation sells 142,500 gallons of Mr. Dirtout in January. The cost per gallon of Mr. Dirtout is closest to: A. $1.20 B. $1.80 C. $3.16 D. $3.00 E. $4.50