Hideo Company accumulates the following data concerning raw materials in making one unit of finished product: (1) Price-net purchase price $2.50, freight in $0.40, and receiving and handling $0.25. (2) Quantity-required materials 3 kg, allowance for waste and spoilage 0.5 kg. Calculate the following:
(a) Standard direct materials price per unit
(b) Standard direct materials quantity per unit
(c) Total standard material cost per unit