Preston, Inc, manufactures wooden shelving units for collecting and sorting mail. The company expects to produce 270 units in July and 360 units in August. Each unit requires 14 feet of wood at a cost of $1.00 per foot. Preston wants to always have 250 feet of wood on hand in materials inventory inventory Compute Preston's raw materials purchases budget for July and August JulyAugust Budgeted Raw Materials Purchases