Susan Company accumulates the following data concerning raw materials in making its finished product. (1) Price per pound of raw materials is net purchase price $2.50, freight-in $0.40, and receiving and handling $0.50. (2) Quantity per gallon of finished product is required materials 3.0 pounds and allowance for waste and spoilage 0.5 pounds. Compute the following. (Round answers to 2 decimal places, eg. 1.25.) (a) Standard direct materials price per pound of raw materials. $ (b) Standard direct materials quantity per gallon. pounds (c) Total standard materials cost per gallon