Enrique Industries purchased and consumed 80,000 gallons of direct material that was used in the production of 21,000 finished units of product. According to engineering specifications, each finished unit had a manufacturing standard of four gallons. If a review of Enrique's accounting records at the end of the period disclosed a material price variance of $8,000U and a material quantity variance of $2,400F, what is the actual price paid for a gallon of direct material?