Tang Company accumulates the following data concerning raw materials in making one gallon of finished product: (1) Pricenet purchase price $2.32, freight-in $0.62, and receiving and handling $0.33. (2) Quantityrequired materials 3.17 pounds, allowance for waste and spoilage 0.80 pounds. Compute the following. (Round answers to 2 decimal places, e.g. 1.25.) (a) Standard direct materials price per gallon. $ (b) Standard direct materials quantity per gallon. pounds (c) Total standard materials cost per gallon. $